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Chicken Feathers May Hold Key To Hydrogen Storage

pitterpatter writes "A researcher trying to find a use for them claims that after being heated enough to carbonize, chicken feathers hold as much hydrogen as carbon nanotubes do. So chicken feather charcoal might solve the storage problem for the new hydrogen economy. One problem down, half a zillion to go."

318 comments

  1. Carbonized chickens also explain by Anonymous Coward · · Score: 4, Funny

    Chicken McNuggets.

    1. Re:Carbonized chickens also explain by Waffle+Iron · · Score: 1

      Parts is parts.

  2. Crazier than Bat Shit by DudeFromMars · · Score: 1

    Oh! Wait, I wonder if bat droppings would work?

    1. Re:Crazier than Bat Shit by JustOK · · Score: 1

      Bats eating burnt chicken feathers

      --
      rewriting history since 2109
    2. Re:Crazier than Bat Shit by rubycodez · · Score: 2, Informative

      already a thriving industry mining bat shit (guano) for fertilizer and explosives

    3. Re:Crazier than Bat Shit by NotBornYesterday · · Score: 1

      Burnt feathers vs bat poo? Either way, this is going to stink like hell.

      --
      I prefer rogues to imbeciles because they sometimes take a rest.
    4. Re:Crazier than Bat Shit by SEWilco · · Score: 1

      already a thriving industry mining bat shit (guano) for fertilizer and explosives

      OK. Maybe trying to use that for storing hydrogen isn't a good idea.
      (And what's up with the awful horizontal bars within comments and other recent clutter?)

    5. Re:Crazier than Bat Shit by Bat+Country · · Score: 1

      Those are probably the ads you're blocking with a plugin.

      Although if you could figure out how to pack nitrogen fertilizer with hydrogen, it'd probably have some useful terraforming applications for reconditioning otherwise toxic soils...

      --
      The land shall stone them with the bread of his son.
  3. Carbonized chickens and hydrogen by morgan_greywolf · · Score: 3, Insightful

    Hmmm...Carbonized chickens and hydrogen. There has to be a joke in there somewhere about chickens being classified as munitions...

    1. Re:Carbonized chickens and hydrogen by game+kid · · Score: 3, Funny

      Carbonized chickens are perfectly safe.

      Weaponized chickens, on the other hand, cause mass destclucktion (especially when filled with H).

      --
      You can hold down the "B" button for continuous firing.
    2. Re:Carbonized chickens and hydrogen by Nefarious+Wheel · · Score: 1

      There has to be a joke in there somewhere about chickens being classified as munitions..

      Or at least a story...

      I remember hearing about an aircraft canopy design being tested against bird strike by having dead chickens fired at it via an air cannon. It was the best emulation they could come up with.

      However, somewhere between plan and execution a detail was missed, and the test was performed with frozen chickens. Results were indeterminate.

      --
      Do not mock my vision of impractical footwear
    3. Re:Carbonized chickens and hydrogen by Anonymous Coward · · Score: 0

      It was on Mythbusters where they did that

    4. Re:Carbonized chickens and hydrogen by SkyDude · · Score: 3, Funny

      I remember hearing about an aircraft canopy design being tested against bird strike by having dead chickens fired at it via an air cannon. It was the best emulation they could come up with.

      They couldn't find any volunteers. They were all chicken.

      --
      == First cross river, then insult alligator.
    5. Re:Carbonized chickens and hydrogen by Nobody+Real · · Score: 3, Informative

      The version of the story that I heard was that some British company was building a high speed train and wanted to test it against bird strikes. They borrowed a chicken cannon from an American aerospace company (the cannon being a standard item for testing aircraft canopies) and were horrified to see how much damage the train was taking. The Brits sent the footage to the Americans for review and the Americans simply responded: "Gentlemen, thaw your chickens."

      They tested this pretty thoroughly on Mythbusters. The final result being that frozen chickens get much better penetration then thawed ones.

    6. Re:Carbonized chickens and hydrogen by s4ltyd0g · · Score: 2, Insightful

      commenting to undo an erroneous moderation

    7. Re:Carbonized chickens and hydrogen by NotBornYesterday · · Score: 4, Funny

      Don't you dare interfere with my 2nd Amendment right to bear poultry!

      --
      I prefer rogues to imbeciles because they sometimes take a rest.
    8. Re:Carbonized chickens and hydrogen by selven · · Score: 1

      bear poultry

      I feel sorry for the bear.

    9. Re:Carbonized chickens and hydrogen by tautog · · Score: 2, Interesting

      Ah, yes. ./ moderation system finds a boo-boo post and it hits +4 Insightful.

      And I thought you *could* train monkeys.

    10. Re:Carbonized chickens and hydrogen by fractoid · · Score: 1

      That, or about hydrogen tasting like chicken.

      --
      Rampant carbon sequestration destroyed the Dinosaurs' tropical paradise. I'm here to help repair the damage.
    11. Re:Carbonized chickens and hydrogen by pregister · · Score: 1

      Manbearchicken?

    12. Re:Carbonized chickens and hydrogen by Anonymous Coward · · Score: 0

      No, it's probably just frequent moderators (like myself) who have been too often bit by that particular UI flaw. Mis-clicks happen, and are an unwelcome side-effect of the overall much-improved moderation system. While I myself don't mod up the boo-boo posts, I sympathize with those who do and I _do_ mod up posts suggesting that this flaw be ironed out (hint hint). I've submitted the behavior as a bug and gotten no response as I'm sure others have. Maybe if cries for a fix start getting +5 we'll see work done to improve it.

      Then again, Idle is still around (and broken) and I'm now some kind of dinosaur because they introduced a bug when changing the relationship jewels. But I digress.

      The fix for this glitch is to add an "undo" link to the text displayed after a moderation is applied, like this:

      Moderated 'Insightful' (undo). 4 points left.

      If people think this would somehow be abused, it shouldn't be much more trouble to put a 20-second timer on it, since you're generally immediately aware that you mis-clicked the mod box, and it would have positive effects--we all could be reading and writing more topical posts if it weren't for the original "undo" post, and he wouldn't have lost all moderation in this thread because of a wandering cursor.

    13. Re:Carbonized chickens and hydrogen by BluBrick · · Score: 1

      Don't you dare interfere with my 2nd Amendment right to bear poultry!

      Where is my right to bare poultry?

      --
      Ahh - My eye!
      The doctor said I'm not supposed to get Slashdot in it!
    14. Re:Carbonized chickens and hydrogen by Anonymous Coward · · Score: 1, Funny

      It uses chicken feathers. You'll have plenty of bare poultry.

    15. Re:Carbonized chickens and hydrogen by NotBornYesterday · · Score: 3, Insightful

      That's covered under "right to privacy".

      --
      I prefer rogues to imbeciles because they sometimes take a rest.
    16. Re:Carbonized chickens and hydrogen by rdnetto · · Score: 1, Insightful

      Who the hell modded this as Insightful?

      --
      Most human behaviour can be explained in terms of identity.
    17. Re:Carbonized chickens and hydrogen by Anonymous Coward · · Score: 0

      Chick: Mum, do chickens come from humans?
      Hen: No, Chickens come from eggs.
      Chick: Mum, do eggs come from humans?
      Hen: No, eggs are laid.
      Chick: Mum, are humans laid?
      Hen: Some are, but others are chicken!

    18. Re:Carbonized chickens and hydrogen by instarx · · Score: 1

      That would be "simulation" not "emulation". Emulation is copying the behavior or characteristics of another. They were simulating bird strikes, they were not emulating bird strikes. And although I know you will argue, they are not synonyms.

    19. Re:Carbonized chickens and hydrogen by Muad'Dave · · Score: 1

      They carbonized Han Solo, remember. It worked out for him in the end, though. He got Princess Leia. The chickens? Not so much.

      --
      Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.
    20. Re:Carbonized chickens and hydrogen by TheRaven64 · · Score: 1

      Someone aiming for Informative and missing due to Slashdot's patented one-click moderation system?

      --
      I am TheRaven on Soylent News
    21. Re:Carbonized chickens and hydrogen by TheLink · · Score: 1

      > Where is my right to bare poultry?

      On aisle 4, next to the salad dressing.

      --
    22. Re:Carbonized chickens and hydrogen by tmosley · · Score: 1

      Don't you know that people fire frozen chickens into airplane windows and engines ALL THE TIME. This threat MUST be dealt with, or we could have another major terrorist attack on our hands!

    23. Re:Carbonized chickens and hydrogen by sgt+scrub · · Score: 1

      Choking burnt chickens will make you go blind faster?

      --
      Having to work for a living is the root of all evil.
    24. Re:Carbonized chickens and hydrogen by SkyDude · · Score: 1

      Chick: Mum, do chickens come from humans? Hen: No, Chickens come from eggs. Chick: Mum, do eggs come from humans? Hen: No, eggs are laid. Chick: Mum, are humans laid? Hen: Some are, but others are slashdot geeks!

      Fixed that for you. It's more relevant now.

      --
      == First cross river, then insult alligator.
    25. Re:Carbonized chickens and hydrogen by badkarmadayaccount · · Score: 1

      Who the hell modded this insightful? *crosses fingers*

      --
      I know tobacco is bad for you, so I smoke weed with crack.
    26. Re:Carbonized chickens and hydrogen by True+Grit · · Score: 1

      And I thought you *could* train monkeys.

      You can, but the training is only cost-effective when you provide an undo function...

  4. We've done it!!! by Anonymous Coward · · Score: 4, Funny

    We can finally power our homes with chicken.

    1. Re:We've done it!!! by CarpetShark · · Score: 2, Funny

      We can finally power our homes with chicken.

      Are you kidding me? We can finally power our homes with voodoo.

    2. Re:We've done it!!! by Anonymous Coward · · Score: 0

      The year is 3120. A lonely philosopher stands by the seashore glazing at the sunset when suddenly he utters:

      Which came first, the chicken or nuclear fusion?

      And for a brief moment the world is struck silent.

  5. New metric for H powered cars??? by rts008 · · Score: 4, Funny

    *pulls up to full service Hydrogen fueling station*
    "Just put three Leghorns in the tank."

    --
    Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    1. Re:New metric for H powered cars??? by Anonymous Coward · · Score: 0

      I just don't think Chickenpower has the same ring to it as Horsepower.

    2. Re:New metric for H powered cars??? by Anonymous Coward · · Score: 1, Interesting

      OMG Yes! The "Leghorn" needs to be the next big unit of measurement.

    3. Re:New metric for H powered cars??? by JerkBoB · · Score: 4, Funny

      Haw! I say haw, son. Now that's funny! Humor, y'see?

      --
      A host is a host from coast to coast...
      Unless it's down, or slow, or fails to POST!
    4. Re:New metric for H powered cars??? by sokoban · · Score: 1

      What's that in hogsheads?

      --
      09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0 is the magic number.
    5. Re:New metric for H powered cars??? by NotBornYesterday · · Score: 1

      Trick question. The volume of what was termed a hogshead appears to be dependent on the contents. Please specify if you are looking for a hogshead of ale, wine, or tobacco.

      --
      I prefer rogues to imbeciles because they sometimes take a rest.
    6. Re:New metric for H powered cars??? by rts008 · · Score: 2, Funny

      Please specify if you are looking for a hogshead of ale, wine, or tobacco.

      None of the above. It is a hogshead of Leghorn chickens.

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    7. Re:New metric for H powered cars??? by NotBornYesterday · · Score: 1

      Well then, I'd expect that your capacity would be about .4% of a Library of Congress.

      --
      I prefer rogues to imbeciles because they sometimes take a rest.
    8. Re:New metric for H powered cars??? by BluBrick · · Score: 1

      Fortu- ah say - fortunately, ah keep ma feathers numbered fo' jus' such an occasion!

      --
      Ahh - My eye!
      The doctor said I'm not supposed to get Slashdot in it!
    9. Re:New metric for H powered cars??? by GaryOlson · · Score: 1

      Complete chickens or properly butchered chickens?
      Are these chickens freeform stacked or optimally stacked to minimize wasted space?
      Does someone have an optimal chicken stacking algorithm?

      --
      Every mans' island needs an ocean; choose your ocean carefully.
    10. Re:New metric for H powered cars??? by rts008 · · Score: 1

      0.068 hogshead, assuming one 4 lb. leghorn=2.25 cups by volume(diced), 16 cups to the gallon...we get 7 leghorns per gallon, and 63 gallons/hogshead*, or 442 leghorns/hogshead...thus 3 leghorns would be 0.068 % of a hogshead

      I don't know how many hectares you could get out of 0.068 of a hogshead of Leghorns, though. YMMV.
      That advanced physics is a little outside of my field...I used to raise Easter Egger chickens instead of Leghorns.

      *It can get confusing though...at least to me. USA's current definition of a hogshead being 63 gallons (US) of wine.
      I can never remember when converting Leghorns to hogsheads if it is:
      1. How many Leghorns it takes to drink a hogshead of wine....
      2. How many Leghorns it takes to make 63 gallons of wine....
      3. How many dead Leghorns(diced for consistency) it takes to pack into a hogshead....(after drinking the wine!)
      4. How many live Leghorns you can stuff in a hogshead...(again, after drinking the wine!)
      5. How many leghorns can you stuff in a hogshead full of wine. (not even considered)

      I started to go with #4, but then reminded me of an incident I witnessed in Breezewood, PA back in the mid 1980's.

      A tractor-trailer hauling a full load of live turkeys from the farm to the processor jackknifed trying to stop at a 'tee intersection', overturned the whole kit and kaboodle, the trailer burst open and released hundreds if turkeys in a restaurant's parking lot the and I-70 W, US Route 30, and I-76/70W intersection.(He was coming from Wash., D.C./Baltimore, MD direction...westbound on I-70, which after coming down Town Hill, you end up facing a deadend, looking at a traffic light, gaurdrails, and a restaurant and parking lot...with hot, worn, substandard braking power. A certain recipe for disaster, but PennDOT feels they have sufficient warning signs posted.)

      Turkeys were everywhere, running around in a panic in all different directions...turkeys in evasive mode everywhere you looked!
      LOL!
      Traffic was stopping, fender-benders occurring left and right as some tried avoiding hitting turkeys, many more were stopping and trying to capture a/some turkey/s...pandemonium reigned, a three ring circus run amok!
      ROFLMAO!
      Then, I noticed one guy carrying a turkey under each arm, and a third clamped in his hands. He got to his car trunk, clamped the turkey between his legs and one hand while opening the trunk.
      The trunk springs open, and five turkeys jump out and scatter in different directions at a high rate of speed. Meanwhile, the guy loses two of the three turkeys he just captured trying to get the three in and not losing the five escaping.
      ROFLCOPTER and ribcramps...damned near pissed myself laughing so hard.

      So, I decided then to use #3, since after all...my Leghorn wrangling skills may be somewhat impaired after drinking the 63 gallons of wine to make room for the Leghorns, if I had used #4.

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    11. Re:New metric for H powered cars??? by timothy · · Score: 1

      a) that is one of my all-time favorite quotes (the "keep my feathers" numbered one) and

      b) I nearly made the department line for this post "foghorn leghorn whistles dixie," but Ah, well.

      timothy

      --
      jrnl: http://tinyurl.com/c2l8yr / foes: http://tinyurl.com/ckjno5
    12. Re:New metric for H powered cars??? by Anonymous Coward · · Score: 0

      And, apparently you had the additional benefit of witnessing the birth of Ground Turkey as a food product.

    13. Re:New metric for H powered cars??? by pu'u_bear · · Score: 1

      I have devised an optimal chicken stacking algorithm. Unfortunately it only works for spherical chickens.

      --
      --You're BOTH right. It's a floor wax AND a desert topping!
  6. How much more energy by Anonymous Coward · · Score: 3, Interesting

    How much more energy does it take to turn a chicken feather into a "hydrogen storage unit" than can be stored in the feather anyway?

    1. Re:How much more energy by electrostatic · · Score: 5, Informative

      Carbonization is often exothermic, which means that it could in principle be made self-sustaining... http://www.absoluteastronomy.com/topics/Carbonization

      Feathers are carbohydrates, meaning they are carbon structures with hydrogen and a small portion of oxygen. The Carbonization process cooks off the hydrogen and oxygen, leaving the carbon structure. The hydrogen combines with oxygen to form H20, which is certainly exothermic. My guess is that it produces more heat energy that was consumed to bring it up to carbonization temperature in the first place.

      So little or no energy is wasted -- unlike as with solar cells that take 5-10 years to generate as much energy as was used to make them.

    2. Re:How much more energy by Hadlock · · Score: 1

      Charred Chickens are Carbon neutral as long as you don't Feed them Fossil Fuels.

      --
      moox. for a new generation.
  7. Full Circle again! by GabriellaKat · · Score: 1

    If you believe birds evolved "downward" from dinos, and as they used to say oil came from dinos, then we have come full circle.

    --
    "Have you ever thought about just turning off the TV, sitting down with your politician, and hitting them?"
    1. Re:Full Circle again! by Anonymous Coward · · Score: 0

      Except oil came from algae, not dinosaurs. We had far more algae on this planet than we ever had dinosaurs and it'd been here longer. yes, I realize you were attempting to make a funny except it wasn't that funny..

    2. Re:Full Circle again! by GabriellaKat · · Score: 1

      If you knew I was trying to make a funny, and yes I was, then you need to have a feather taken to you to stimulate your sense of humor. See, feathers are the solution to lifes problems!

      --
      "Have you ever thought about just turning off the TV, sitting down with your politician, and hitting them?"
  8. Fool!!! by oldhack · · Score: 1

    That's nothing. You want power? You want REAL power?

    Harness the awesome power of chicken bone. Ask any programmer.

    --
    Fuck systemd. Fuck Redhat. Fuck Soylent, too. Wait, scratch the last one.
  9. From the Dept. of Hee-Haw Technology by StCredZero · · Score: 3, Funny

    Jenny-mae, I tole you not to let Billy-Bob alone with the chickens and the lighter fluid!

    But Mary-Sue, Billy-Bob's up and solved the Hydrogen Nanostorage Problem! He saved the world! Solved global warming! Ther gonna give him a NOBEL!

    So? I'm still makin myself scarce when Pa starts askin what happened to those Chickens!

  10. Good news by RichardJenkins · · Score: 2, Funny

    This is clucking good news!

    1. Re:Good news by risk+one · · Score: 1

      +4 funny for a poultry little pun like that...

    2. Re:Good news by Anonymous Coward · · Score: 1, Funny

      What will KFC use for its secret ingredient now?

    3. Re:Good news by snl2587 · · Score: 3, Insightful

      KFC food has chicken in it?

    4. Re:Good news by Anonymous Coward · · Score: 5, Funny

      KFC is food?

    5. Re:Good news by hedwards · · Score: 4, Funny

      Not really, the good news is that vegans are no longer going to be allowed to drive or use any other non-human powered transport.

    6. Re:Good news by Anonymous Coward · · Score: 0

      Oh dear God. Someone's been eating way too much KFC, and I think it was the mod who rated this insightful.

    7. Re:Good news by Anonymous Coward · · Score: 0

      Not really, the good news is that vegans are no longer going to be allowed to drive or use any other non-human powered transport.

      Vegans, they drive like animals!

    8. Re:Good news by houghi · · Score: 1

      Insert Soylent Green reference joke here.

      --
      Don't fight for your country, if your country does not fight for you.
    9. Re:Good news by WhatHump · · Score: 2, Funny

      To quote comedian John Pinette: "KFC is the nutritional equivalent of crack cocaine."

      --
      "Could be worse...could be raining." Igor
  11. A theoretically practical solar-powered car by TrumpetPower! · · Score: 5, Interesting

    Hydrogen will burn just fine in a conventional internal combustion engine. The modifications to a modern gasoline-powered engine to make it run on hydrogen are essentially the same as those to make it run off compressed natural gas. I’m sure many of you have noticed fleet vehicles with a CNG sticker on them; though not widespread, the conversion isn’t exactly uncommon, either.

    There are three main problems with converting to hydrogen. First, though hydrogen has much more energy density per unit of mass than gasoline, it has much less energy density per unit of volume in any of the ways it’s currently practically available. Second, for similar reasons, getting a sufficient density of fuel / air mixture to the pistons is a bit of a challenge and generally requires turbocharging, pressurized fuel lines, etc. (Or, you can live with an underpowered vehicle.) The last problem, of course, is producing hydrogen.

    If the claims of TFA are accurate, then we may actually be on the verge of solving all three problems.

    If we’ll soon see affordable high-capacity tanks, that solves the first problem. The second can be dealt with by making use of many of the high-performance tricks we’re already familiar with.

    The last...well, hydrogen can trivially be made by running a current through water. If you’ve got a photovoltaic array on your roof, you can analyze water and get essentially free hydrogen. While we’ll never see cars powered in “real time” by the sun, it’s quite easy make in a couple days as much hydrogen as you’ll need to power your car for a week of normal driving.

    Put all these pieces together, and in a few years or so real solar-powered cars may be as common as home-converted home-brewed biodiesel cars are today.

    Cheers,

    b&

    --
    All but God can prove this sentence true.
    1. Re:A theoretically practical solar-powered car by Shag · · Score: 0, Redundant

      we'll never see cars powered in "real time" by the sun

      Of course not - that would require some sort of imaginary magical "photo-voltaic" device to turn sunlight into electricity, and the priest and the village alchemist both tell me that's blasphemous foolishness.

      ... So what was it you meant to say?

      --
      Village idiot in some extremely smart villages.
    2. Re:A theoretically practical solar-powered car by maxume · · Score: 1

      How big of a solar array are you figuring there?

      300 watts per square meter is probably a reasonably fair estimate of solar power, let's say for 8 hours a day. So that's 2.4 kilowatt hours per square meter per day. A gallon of gasoline is equivalent to roughly 33 kilowatt hours, so assuming 2 days of generation, you need almost 7 square meters for each gallon of gasoline that you would have consumed.

      That's ignoring efficiency completely, but I doubt hydrogen powered ICEs are so much more efficient than gas that the gain overwhelms the losses from hydrolysis.

      So someone who drives a reasonably fuel efficient vehicle 200 miles a week needs somewhere between 35 and 60 square meters of solar panels to get enough hydrogen in 2 days. Devote the panels to full time hydrolysis and you are still talking about 15-20 square meters (which is more reasonable).

      If you decide that my 2.4 kilowatt hours per square meter per day is generous, the required surface area goes back up pretty quickly...

      --
      Nerd rage is the funniest rage.
    3. Re:A theoretically practical solar-powered car by Wrath0fb0b · · Score: 4, Insightful

      Or, you can live with an underpowered vehicle.

      And I assure you sir, I cannot. Or, to put it another way, I will probably opt to spend additional funds to ensure that my vehicle is fun to drive.

      On a broader note, I fear that the modern environmentalism is pushing in the wrong direction by becoming ascetic -- by telling us that our wants and desires are bad because they are bad for the environment instead of focusing on way to satisfy those wants in an environmentally friendly way. That philosophy has some appeal to a particular group of people but the majority of Americans (AFAICT) are not particularly receptive to the notion of self-deprivation for the greater good.

      Moreover, it's does less practical good to convince people that drives a small car that get ~35MPG to switch to a car that gets 100MPG (a pie-in-the-sky number) than to get someone that drives a 15MPG truck to switch to a more efficient one that gets 25MPG. The former change reduces gas usage over a year (15k mi) by 270 gal, the latter by 400 (the real fault here is that we use the inverse scale, instead of reporting GPM). Doing so, however, requires a change in mindset -- it's not about how we can make an environmentally friendly vehicles, it's about how we can make this vehicle more environmentally friendly without compromising the characteristics that caused people to buy it in the first place.

      Focusing on the efficiency of those larger cars & trucks (and sports cars), however, requires ditching the philosophy of asceticism and accepting that many people do not want to drive tiny underpowered cars (and they don't want to stop eating red meat or running the AC either, damnit) and working with them to minimize the impact of the cars they do drive, the meat they do eat and the AC they do run. If we can't get to there from here, then environmentalism will always be something that a few people care very strongly about and the rest of the population cares not at all.

    4. Re:A theoretically practical solar-powered car by BikeHelmet · · Score: 4, Informative

      Indeed. The most efficient way to get hydrogen isn't available to home owners.

      http://en.wikipedia.org/wiki/Hydrogen_production#High-temperature_electrolysis

      Storing in a battery is probably more environmentally friendly and is definitely more efficient - but if you want to be truly environmentally friendly, you could just go with an air powered car.

      http://en.wikipedia.org/wiki/Air_powered_car

      Air powered cars have a few big benefits.
      1) They can be made 100% recyclable.
      2) Air can be compressed anywhere.

      You can use the grid, at home, at work. You can run a compressor off solar or wind power. You can put a big compressor at gas stations without any huge retrofitting costs.

      Air powered would be the easiest way to go, except that like all vehicles running on alternative energy, you can't get them anywhere.

    5. Re:A theoretically practical solar-powered car by Nyeerrmm · · Score: 1

      I'd imagine he meant we'd never see *practical* self-encapsulated solar cars.

      Obviously, solar cars exist and work, look at the university solar car races that have been going on for years. However, look at those cars and you'll see why unless you develop 80%-efficient PV cells you're not going to be able to make a car you can drive your family around in, handle emergencies, and generally do things a modern gas-powered midsize sedan can do.

      The best ones max out at 80 mph, can fit one person, look like lumpy pancakes, are incredibly uncomfortable and generally have the smallest member of the team as the driver. Further, they drive only during the day and do their best to charge the batteries at dusk and dawn when they're not driving. And thats all highway driving too, so regenerative braking and other advances that come with hybrid vehicles don't give you much help.

      Energy storage, whether by solar/wind/nuclear stored in batteries/chicken-hydrogen-tanks or solar->agriculture->biodeisel are the only ways to make a fully capable "green" car... neglecting any Mr. Fusion type advances.

    6. Re:A theoretically practical solar-powered car by lawnboy5-O · · Score: 3, Informative

      You need to check out these guys...

      The chief scientist has been at it for over 30 years - so yes it is difficult. I remember his expo at teh U. of Tenn Worlds Fair in 1982

      http://www.hypowerfuel.com/home.html

      anyhow - major breakthroughs are abound, and Canada's Alberta Province has initiatives for the use of HyPower's hydrogen and bio fuel production processes.

    7. Re:A theoretically practical solar-powered car by selven · · Score: 1

      Fortunately, in the auto business, environmentalism and cheap are very closely correlated. Well, that's cheap in the long term which is closely correlated, and our economy clearly shows that we're very good at long term thinking.

    8. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 2, Insightful

      Uh, correct me if I'm mistaken, but if reality (i.e. the laws of physics vs. our current tech) says those people can't have what they want then they can't. They don't get to pitch a bitch like a petulant, spoiled child.

      The same attitude of "I can have what I want, when I want" as a society caused our current economic crisis. It's not a case of asceticism vs. wanting it all... the laws of nature make it clear that there have to be trade offs and sacrifices. If not immediately, then somewhere down the road.

      I'm not saying we all have to join the Amish tomorrow. It's just that a LOT of people in this country need to get their heads on straight before reality deals them a nasty bitchslap.

    9. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0

      . If you’ve got a photovoltaic array on your roof, you can analyze water and get essentially free hydrogen.

      I analyzed water and all I got was this di-hydrogen monoxide!

    10. Re:A theoretically practical solar-powered car by Wrath0fb0b · · Score: 1

      The problem with this approach is that it conceives our current technology as static -- it's not. The entire point of my post is that we should be focusing our research on new technologies that are not niche-oriented towards environmentalists but tailored to provide what the mass market wants in an environmentally friendly way.

      For instance, look at the difference between the (original) Insight and the Prius. The former is, environmentally speaking, a much better car -- it can get 70-80 MPG if you drive it right. The latter is somewhat disappointing as a hybrid, getting 40-50MPG, but it's also as roomy as a regular sedan and has interior appointments more in line with its price range than the Insight. Of course you know which sold more.

      Basically what I'm saying is that unless you plan is to impose some sort of external control and ram these cars (or anything else) down people's throats, you are going to have to cater to their needs. Doing so will mean at least acknowledging (you don't have to accept) the mindset that many of us have -- that we deserve to live well and that we don't accept solutions that don't meet our needs. I'm still an environmentalist at heart, but I firmly believe that the way out is not to deprive people but to create technology that gives us what we want in a sustainable way.

    11. Re:A theoretically practical solar-powered car by Sorny · · Score: 2, Informative

      Not all sports cars get shitty mileage. My 2002 Corvette Z06 gets a combined 24MPG, and routinely hits 28-30MPG on long freeway trips. My previous Vette, a 2000 Z19 hardtop, averaged 25MPG, and got 33MPG on a trip from Phoenix to Minneapolis. Both of the cars have 5.7L V8 motors and 6-speed manual transmissions. The Z gets worse mileage not because of the extra 50HP/TQ, but because it is geared shorter (roughly 250-350RPM higher at any speed in any gear). I'm not claiming either car is excellent for fuel economy, but you can't say sports cars should be lumped in with trucks when it comes to fuel economy. Just because none of the import sports car makers have figured out how to make a lot of power and get decent mileage, is no reason to badmouth all sports cars. Qualify your statements.

      --
      OSX pwns.
    12. Re:A theoretically practical solar-powered car by RealGrouchy · · Score: 2, Interesting

      But you're still looking only at the relationship between the car and the driver. Your model of sustainability does not take into account the vast infrastructure required to support it. Whether it runs on gasoline or pixie dust, a car is still a car. It still occupies the same amount of space on the roads, in driveways, and in parking lots. It still weighs as much, and therefore requires as much energy (wherever it may come from) to propel.

      When you upgrade to a new, more fuel-efficient car, what happens to your old one? Unless you destroy/retire it, it probably gets driven by somebody else, and the result is that where there was a single less-efficient car, there is now a less-efficient car AND a more-efficient car on the road, consuming more resources and creating more pollution than the less-efficient car on its own. On top of this the same amount of roads must accommodate two vehicles where it previously only needed to carry one. Roads must be not only maintained, but expanded, using more fuel and resources. This isn't practical in built up areas (e.g. downtowns) with no room for streets to expand, and causes gridlock. Recent articles on Slashdot about states having to turn their asphalt roads to rubble suggest that we can't afford it.

      A model of environmentalism that accepts the idea of more cars is simply NOT sustainable.

      - RG>

      --
      Hey pal, this isn't a pleasantforest, so don't waste my time with pleasantries!
    13. Re:A theoretically practical solar-powered car by copponex · · Score: 5, Insightful

      Focusing on the efficiency of those larger cars & trucks (and sports cars), however, requires ditching the philosophy of asceticism and accepting that many people do not want to drive tiny underpowered cars (and they don't want to stop eating red meat or running the AC either, damnit) and working with them to minimize the impact of the cars they do drive, the meat they do eat and the AC they do run. If we can't get to there from here, then environmentalism will always be something that a few people care very strongly about and the rest of the population cares not at all.

      No, the important thing is to make sure that people pay the real cost of what they consume. Their behavior would change automatically, and I'm sure it'd be amazing to watch attitudes change after years of selfish subsidization and environmental destruction.

      For instance, if you passed a law to stop the agribusinesses from polluting the Mississippi so much that a dead zone the size of New Jersey forms in the Gulf, meat prices would probably triple. If people paid as much at the tank as it costs to maintain our armies in the middle east, gas prices would at least double. Vehicles should be taxed for their wear and tear on our road system. If you want to drive an F350, fine, but since it weighs three times what my car does, you should pay three times as much into the federal tax system to pay for the infrastructure.

      I don't care if you have a 20 ounce steak every night and park a fleet of hummers in your front yard. But I do want you to pay their full cost.

    14. Re:A theoretically practical solar-powered car by DigiShaman · · Score: 1

      Hydrogen will burn just fine in a conventional internal combustion engine. The modifications to a modern gasoline-powered engine to make it run on hydrogen are essentially the same as those to make it run off compressed natural gas.

      No Sir, incorrect.

      You cannot burn hydrogen in a standard IC engine over extended periods of time. If you do, a process known as hydrogen embrittlement will occur. Eventually your valves and piston rings will crack and shatter like glass among other things. While building a hydrogen IC is probably doable with the right alloys, it would no doubt be extremely cost prohibitive to do so.

      Ever wonder why Honda, Toyota, and BMW put a halt to burning hydrogen in a standard IC engine? Two words. Hydrogen Embrittlement. Now you know.

      --
      Life is not for the lazy.
    15. Re:A theoretically practical solar-powered car by mevets · · Score: 1

      | If the claims of TFA are accurate, then we may actually be on the verge of solving all three problems.

      Especially if we can use cold fusion to raise more and bigger chickens.

    16. Re:A theoretically practical solar-powered car by joe_frisch · · Score: 2

      I agree with your statements. I would add though that cars are not a particularly good place to apply new energy technology. Cars are low usage items: A typical car engine operates for only about 10% of calendar time, and most of that time it is at around 10% of maximum output. In addition car engines are very constrained by weight, noise, maintainability, and dealing with harsh and variable environments. Since a significant fraction of fossil fuels are consumed in fixed power plants, these seem a much better place to spend capital to reduce CO2 emissions. Power plants operate at high duty factors (as near 100% as their reliability and and maintenance schedule will allow). We have a limited amount of capital to invest in reducing CO2, we should invest it where it will do the most good.

    17. Re:A theoretically practical solar-powered car by DigiShaman · · Score: 3, Interesting

      A model of environmentalism that accepts the idea of more cars is simply NOT sustainable

      You had better damn well get used to it! If you think America is an acceptable whipping-boy, just you *wait* till China and India's middle class soars through the stratosphere. To make matters worse, they don't give a damn about environmentalism to the degree it has been accepted in the west.

      No. Wrath0fb0b is correct. You're going to have to dance with the Elephant (gracefully I might add) on this issue or else risk being in the path of an impending stampede.

      --
      Life is not for the lazy.
    18. Re:A theoretically practical solar-powered car by Eclipse-now · · Score: 5, Interesting

      In Australia the debate in some quarters is moving beyond energy efficient cars to energy efficient cities. Some proponents do not even mention peak oil or global warming in their talk, and are NOT proposing "ecocities" even though cars are banned within some of these village-town developments. They are selling it as MORE, not less, because there is MORE community, more local services and shops within walking distance, MORE connection with a MORE secure local economy that is MORE reliable, intimate and connected to servicing other local economy relationships of interdependence. Each dollar coming into a Village-Town circulates through the economy numerous times, and the economy of such simple mechanisms of GOOD TOWN PLANNING also generates 80% of its own economy, creating a more durable local economy during tough times. Existing suburbs can be slowly retrofitted to be car free, as is already happening in Germany. We CAN reclaim the streets, see what is happening in New York. We don't have to be stuck with the current town plan outside your door forever, there are ways to slowly retrofit the world to a post-car model. I'm not saying we totally ELIMINATE the car from all of life, but we can and must massively "discipline" the use of the car. Write to town planners, buy a bike, and... check out what your town's local plans are for peak oil when it hits in a few years.

      Presented to the University of New South Wales by Claude Lewenz, I highly recommend the Village Towns movie (15 minutes) where the concept is explained further.

      http://villageforum.com/

      Sometimes less is more.

      I don't want to have to spend $20 grand every 5 years or so to stay with a current vehicle if my town can be designed to provide most of my needs and I can just walk everywhere, and go HIRE a car on those rare occasions I do need a vehicle. What kind of moronic society continues to build an oil dependent mode of city plan when we are this close to peak oil anyway? The goal should be MORE European than Europe (with Europeans using half the oil of the average American) and further... 20 villages of 500 people each, walled villages with no cars allowed inside, and a local town centre that has the movies, town hall, other facilities. Beautiful, intimate, economically secure, cheaper, safer, cleaner, more fun, less boring, less predictable and more arty: and now GOING MAINSTREAM: not just for eco-village types! (blarrrgh, no thanks!) Yes, this solves global warming and peak oil but you won't hear that from the developer! This is just a better way to live that is MORE fulfilling. Have fun in your SUV as peak oil hits, or worse, the "uber-expensive" hydrogen economy. I hope it's real fun for you sitting in your high performance vehicle as you speed up to the next traffic jams. Just think: that 10 hours you wasted commuting could have been spent reading a good book, talking to friends as you walk to the local tram stop, or better: arguing with me! ;-)

    19. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0

      If you’ve got a photovoltaic array on your roof, you can analyze water and get essentially free hydrogen.

      You clearly have never had to pay for water or lived in a desert. Plus, even if the current cost isn't inhibitive (for the record you can produce approximately 111 grams of hydrogen per liter of water), a drastic increase in water usage (say 4 million early adopters, using a couple kilograms each for their cars on a weekly basis, a stretch, but still) will definitely drive the price of a liter of water through the roof. Take, for example, the price of corn, which is a key ingredient of ethanol production, when the government mandated the increase in ethanol, the price of a head of corn shot up, making everything more expensive (from bread to meat, animal feed, pretty much everything). With that as a precedent, I don't think that simply electrolyzing your own water is a reasonable alternative. A water recycling system would certainly be an interesting application however, the only problem then being storage of large quantities of water produced as well as other chemical contents (I strongly doubt pure H2O will be the only thing produced in a combustion engine if current exhaust is any example).

    20. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0

      And I want a pony.

    21. Re:A theoretically practical solar-powered car by Joe+Snipe · · Score: 2, Funny

      No. Wrath0fb0b is correct.

      You know, the internet has obliterated the idea of normalcy for me.

      --
      Sometimes, life itself is sarcasm...
    22. Re:A theoretically practical solar-powered car by mgblst · · Score: 1

      You also get MORE space, since you don't have to build roads, driveways, carparks, petrol stations, repair yards, etc...

    23. Re:A theoretically practical solar-powered car by Eclipse-now · · Score: 1

      Bingo! This guy factors in a 10 square mile area for 10 thousand people, 20 villages, and contracts to local farmers that pretty much feed the local town. It prevents the middle man (Coles & Woolworths here in Australia) ripping off the farmers, prevents food security being dependent on a thousand km's of truck supplies, and uses the land so efficiently that there's just more room for agriculture.

      Imagine where the world could be today if we'd adopted this plan decades ago? We'd be practically oil free, have solved global warming, and live less stressed, happier lives. Not to mention the LIVES that could be saved (in the many thousands of pointless car accidents. Russia has something like 33 thousand car deaths a year!)

    24. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0, Interesting

      Your argument assumes that the pricing mechanism will solve the environment's problems. However, you're conveniently forgetting one thing which is pretty important if you're going to talk about price: economics.

      Let's say your tax comes in and triples the price of meat products. Demand for meat falls dramatically. Almost everyone begins buying non-meat substitutes.

      The demand for non-meat substitutes therefore skyrockets, which means the price of these substitutes rises significantly. Conversely, the meat industry must lower their prices to compete with the substitutes and recapture some demand.

      The tax creates a shortage in meat demand and an excess in meat-substitute demand. Prices will always move towards equilibrium, which means meat prices will fall and meat-substitute prices will rise. Since the meat-substitutes are, by definition, a substitute good, economic theory dictates that the two prices will gravitate towards each other to some degree (depending on the cross-corellation of demand) - assuming the meat industry survives (more on that in a bit).

      There will probably be short-term shortages as practically everyone converts over to these substitutes almost overnight. Your policy will likely result in widespread civil unrest. People unable to purchase meat-substitutes are forced to pay your exhorbitant meat tax. People may not care much about privacy, censorship and whatnot, but if you threaten their ability to put food on the table, they will riot en masse.

      So your plan to tax meat and force everyone onto substitutes has failed spectacularly, because now everyone is paying more for everything. Setting aside the ridiculous assertion that you could calculate the "true cost" of meat in the airy fairy manner you describe, the end result is that you've pushed up the prices of EVERYTHING (not just food - a little more economic thinking makes this obvious). Food is not a luxury item that is optional to purchase (though some foods may be classified as luxury foods, a standard steak certainly is not).

      Your chances of another term in office are zero. Incidentally, you have a pretty good chance of being shot.

      Which brings me to my final point about the survival of the meat industry - it is not going anywhere, not now, and not ever. It will always survive, because people will always want to eat meat. There is no chance of the supply of meat vanishing because there'll be enough people to either vote bright sparks like you out of office or riot in the streets until your own party pushes you out.

      And honestly, your entire post screams: "since these taxes won't affect me, I am in favour of them, as that will force other people to subsidise my own, different life style choices". You don't want *people* to pay the "full cost" of anything. You want *other people* to pay more for purchases which *you* aren't going to make, under the twisted and erroneous logic that your costs will go down. A very selfish view, given that your main implication is that other people are being too selfish with their consumption.

      I hope that clarifies things for you.

    25. Re:A theoretically practical solar-powered car by Khyber · · Score: 1

      We'll have to deal with companies like Monsanto (or your mentioned Coles & Woolworths) first if you even want this idea to come to any sort of fruition. That little stranglehold they have on genes in plants is one major obstacle to a plan like this.

      --
      Still waiting on Serviscope_minor to wake up to fucking reality and realize that Jessica Price isn't going to fuck him.
    26. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 1, Interesting

      I don't know how your economics work out at all. The fact is that with the prices of meat tripling (in the example the GP postulated) and their demand drastically falling, there will be pressure to drive both prices and supply down. Seeing that the costs to produce meats are fairly fixed, there aren't much in the way that the meat producers can actually lower the prices (and you're falsely assuming that prices can fall close to 0, which they can't for obvious reasons -- energy, feed, land, water, etc are all fixed cost).

      And working up the food chain, that means less agriculture and energy (~50%, if not more, for current rates of meat production) devoted to meat creation. Which means a surplus to the supply of crops, thus lowering the prices of foods with these as their main ingredient, counteracting the consumption shift from meats to non-meats (that and note it's 10X more efficient to feed people on grains than on meat, so your 1:1 substitution argument is total bunk). With a simple calculation, even with the switch-off from meat eating to non-meat eating, that would mean you get 5% more crop demand (from the 10X difference on 50%), but with 50% crop supply. Obviously, this example illustrates a total conversion, which won't happen in reality...but this is just an example for illustration purposes, and you can find some number in between.

      Of course, given your complete lack of understanding of economics (and I suck at it myself as well), you'll no doubt point out that the supply of crops will drop due to the lower demand. Yes, that is true. But the fundamental cost of making that crop is still much lower than making equivalent energy of food from meats. The costs of electricity, fuel, water purification, and even environmental impact will remain the same per unit weight of respective food that is produced. Even more, by moving off of meats, the costs of the aforementioned fixed costs may actually drop drop, simply due to a much lower demand on them.

      I certainly hope that clarified things for you.

    27. Re:A theoretically practical solar-powered car by clickety6 · · Score: 1

      it's not about how we can make an environmentally friendly vehicles, it's about how we can make this vehicle more environmentally friendly without compromising the characteristics that caused people to buy it in the first place./

      I agree that the government is not doing enough research into cheap penile extension surgery. That could reduce the demand for over-powered, over-sized cars by a good 50%.

      --
      ----------------------------------- My Other Sig Is Hilarious -----------------------------------
    28. Re:A theoretically practical solar-powered car by Ramze · · Score: 4, Insightful

      Normally I don't reply to trolls, but I found your post spectacularly wrong in so many ways, yet peppered with enough economic and statistical jargon that you might actually convince some people of your false logic should they read it.

      First, you fail at economics. Clearly you've taken an undergrad course and heard a few terms. I encourage you to go back and take a few masters level courses so that you understand them a bit better. You also fail at psychology if you truly believe there will be rioting and assassination attempts over the tripling of the price of anything which has substitutes in the marketplace. Just as an example, gasoline has extremely inelastic demand and has quadrupled in price over a few years without any rioting in the streets. Sure, there have been congressional hearings about gas prices because speculators have manipulated the pricing more than OPEC ever has of late, but there are no riots over congresses inaction in passing legislation to encourage the price of gasoline to go down (lower fed. tax rate, drill for more oil, give tax breaks to build a new gasoline refinery, make it illegal to hold futures contracts without a location to store the oil, etc. etc.).

      "Meat" includes many products which will be affected differently by any price increase because they will have different elasticities of demand... however, since you've mentioned steak, I thought I'd point out that most economics professors would indeed classify a "standard steak" as a luxury good. It's not as much of a luxury good as say... lobster, but it's up there. Bologna would not be considered a luxury good, but it is a meat product. If a pack of bologna were to triple in cost from $1 to $3, demand would likely drop somewhat and shift to other cheaper sources of protein like soy products. If steak were to also triple from $12 per serving to $36 per serving, demand would likely fall more drastically and shift to other cheaper sources of protein... perhaps even bologna, hot dogs, and hamburgers instead of steak.

      You make a LOT of assumptions. I have no idea what sort of tax would have to be imposed on meat products to include the full cost to society and environmental damage, but you assume it would triple the cost of meat in general (wild assumption... could be only a 10% increase which would have little economic impact.) You also assume surpluses and shortages and prices rising or falling, but don't state time frames. In economics, short term, long term, and extreme long term results for shifts can be very different, so your post is vague and sounds a bit like gibberish when you discuss these things. You assume that meat substitute prices will skyrocket without any facts to back up that hypothesis, then go on to say that they may become scarce with a shortage so some people will be forced to buy meat at high prices (another assumption). Do you realize that soy products are cheap and could easily provide a meat substitute even if demand for soy skyrocketed at a very reasonable price? even in the short-term? Have you even heard of price elasticity of demand? Did they not teach you that term in undergrad econ?

      On a personal note, I am definitely a fan of meat... but I'm also a fan of taxing the hell out of things that have hidden environmental costs. You'd be surprised at how quickly businesses change their processes to produce less waste when they actually have to pay to clean up that waste. There are economical ways for all businesses to clean up their environmental waste and have a reduced impact on the environment (Note that 100% cleanup would likely cost an infinite amount of money because it is difficult to have exactly zero waste, but perhaps an 85 to 95% reduction might be feasible for some businesses). Yes, prices might rise on goods as companies pass along environmental cleanup costs, but I have no idea how much -- and nor do you unless you've done an environmental impact study on the matter.

      Frankly, when you remove the gibberish and wild speculation from your post, it simply reads as "Waaahhhh... I love my meat and I don't want to have to pay more for it!" As you've posted as an anonymous coward, perhaps you already know this is the case.

    29. Re:A theoretically practical solar-powered car by tkw954 · · Score: 1

      Air powered would be the easiest way to go, except that like all vehicles running on alternative energy, you can't get them anywhere.

      Also, except that you can't get anywhere in them. From the link you posted "the only published test of a vehicle running on compressed air alone was limited to a range of 7.22 km". The biggest problem with gaseous combustion fuels is the limited storage capacity, and compressed air is much worse than any of them.

    30. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0

      the majority of Americans (AFAICT) are not particularly receptive to the notion of self-deprivation for the greater good.

      But they are God fearing Christians.
       
      Just pointing out the irony.

    31. Re:A theoretically practical solar-powered car by Dragonslicer · · Score: 3, Insightful

      I thought I'd point out that most economics professors would indeed classify a "standard steak" as a luxury good. It's not as much of a luxury good as say... lobster, but it's up there.

      You must be from the midwest. I grew up in Maine, where an average steak is a luxury good and lobster is something you can buy for $3 off the back of a truck.

    32. Re:A theoretically practical solar-powered car by Muad'Dave · · Score: 1

      There will probably be short-term shortages as practically everyone converts over to these substitutes almost overnight. Your policy will likely result in widespread civil unrest.

      So this is where Thorn calls in the scoops after running out of Soylent Green, right?

      --
      Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.
    33. Re:A theoretically practical solar-powered car by Muad'Dave · · Score: 1

      ...energy efficient cities.... there is MORE community, more local services and shops within walking distance, MORE connection with a MORE secure local economy that is MORE reliable, intimate and connected to servicing other local economy relationships of interdependence.

      Logan's Run here we come. We'll all be living in a giant shopping mall soon.

      --
      Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.
    34. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0

      If an Electric vehicle (EV) gets the equivalent of 50 mpg, an equivalent hydrogen fuel cell vehicle (HFCV) gets the equivalent of 30 mpg when the hydrogen is made from reformatted natural gas. However, when the hydrogen is made by electrolysis, the equivalent MPG drops to 12. That means I would have to have 4 times as many solar cells on my roof for an HFCV to go the same distance as an EV.

      To me, there are too many technical issues with HFCVs that have be solved and hydrogen production is one of the biggest based on the above numbers but it is great to see advances being made on the storage front. Molecular storage of hydrogen is one of the main issues as well as operational ability in cold weather that need to be solved.

      Home Power magazine had an article where a solar hot water (SHW) system saved 3100 kwhr a year. If you drive an EV 310 times a year, you could use 10 kwhrs of that saved electricity. That would be enough to propel you 30 to 40 miles on that 10 kwhrs of electricity. Electric rates in my area are around $0.10/kwhr or a $1.00 to go those 30 to 40 miles. Gasoline is creeping up to $3.00/gallon. It would take about a gallon and a half to go those 30 to 40 miles in an equivalent car or about $4.50. The savings is $3.50 per drive or $1085/year. The cost of a SHW system is around $8k to $10k according to the article. It would take 8 to 10 years at current gasoline prices to pay off the SHW system. After that your first 30 to 40 miles is essentially "free" with respect to your electric bill before the SHW system.

      This also means that your lifestyle is contributing to whatever other electrical usage you use. Time to add solar heat and photovoltaics to mitigate your other electrical usage.

      The additional benefits of an EV/SHW combo are: a decrease in reliance on imported fossil fuels, less attribution to gasoline leakage into our ground water, no use of oil in a crankcase, not tail pipe emission but shifting of lesser emissions to a smoke stack, no emissions for ground level ozone formation, quieter and **cooler** operating temperatures which means less A/C in the summer due to nearby engines and tail pipe heat conduction and convection.

    35. Re:A theoretically practical solar-powered car by radtea · · Score: 1

      I fear that the modern environmentalism is pushing in the wrong direction by becoming ascetic -- by telling us that our wants and desires are bad because they are bad for the environment instead of focusing on way to satisfy those wants in an environmentally friendly way.

      I see this as a legacy feature of 1970's political "environmentalism" that is dying rapidly in the modern environmental movement because the puritanical approach to political change is unsustainable. People are never going to choose what the puritans want them too without coercive inducements, and coercive inducements are incredibly costly: they involve massive deadweight losses, as the Soviets learned to their cost and the Chinese are about to find out about.

      So anyone who really cares about the environment and isn't just about perfectly ignorant of economics will focus on market-based and technological solutions to environmental issues. They will promote cap and trade schemes for pollutants and they will fight against subsidies for unsustainable energy sources like oil, coal and especially natural gas (which has a depressingly small world-wide supply relative to human needs.)

      Market-based economics with aggressive capture of externalities is the tool that has proven to be by far the most effective at promoting the good of the environment, in part because it leaves the question of how to deal with those conditions up to individuals. The focus on capturing externalities is also important because they are what we care about, whereas things like CAFE limits are anti-market forces that have nothing to do with the amount of pollutants produced. Who cares how many cars are sold with what gas millage? What matters is how much they pollute, which depends on all kinds of things like how well maintained they are, how much they are driven, and how much time they spend idling.

      Only someone who didn't care two pins for the environment would focus on the irrelevant ("you can't buy a big car") when the relevant ("you must buy credits to emit pollutants") is staring them in the face. The puritans have pretty much lost on this issue, although the dinosaurs of the Party in Washington are still not quite aware of it.

      --
      Blasphemy is a human right. Blasphemophobia kills.
    36. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0

      Then you should be looking at the 110 MPG Mustang by Doug Pelmear. I keep waiting for it to be a hoax, and it may well be, but they just received orders from four companies for 300,000 engines.

      http://www.toledoonthemove.com/news/news_story.aspx?id=317870

    37. Re:A theoretically practical solar-powered car by Eclipse-now · · Score: 1

      No no no... just your own quaint European village. (Think old Rome or Venice, with a modern tinge).

      But if you want to see something REALLY funky, imagine the most boring Central Business District complete with Department store, parking lot, and other boring "big box" shops.

      Now imagine what it would take to give it 50% Chewbacca's homework and 50% Anakin's slave quarters. Check out these before and after illustrations by a building code that wants to help modern cities run on 10%! of today's energy requirements. Unlike the European "Village Town" concept above, these ARE branded as "Eco-cities" and check out why!

      http://www.ecocitybuilders.org/downtown.html

    38. Re:A theoretically practical solar-powered car by Joey+Vegetables · · Score: 1

      I'm a libertarian/anarchist and I mostly agree with you . . . many of the aspects of U.S. urban design and foreign policy are completely unsustainable without institutionalized coercion and violence. Remove these, including the subsidies (but also punitive regulations that discourage e.g. safe nuclear development), and you'll find that market-based solutions work pretty well. Everyone participating in market-based transactions does so voluntarily, but no longer benefits at the expense of externalities imposed on unwilling others. If that means I must pay more for a vehicle big and safe enough to haul around my family, I will, but I would very much appreciate the freedom to make that choice, and the peace of mind to know that people halfway around the world didn't have to die violently in order for me to be able to do so.

      It is very important to understand that to pollute resources that you don't own (land, water, air, other people, etc.) is very much a form of coercion and violence, and would be highly discouraged (if not banned completely) in an optimally free society. This would force inherently polluting industries to either become less polluting, to absorb the costs of their pollution (for instance by building or buying ponds or sewage treatment facilities rather than just dumping into rivers), or possibly move offshore. Moving offshore may not sound like a positive development, but in the long run it probably would be. It would provide opportunities elsewhere that don't currently exist, to people who may not have a lot of good options. Eventually those people will escape poverty and will be able to move on to better options, and the societies of which they are a part will eventually decide they want more environmental protections (hopefully implemented through peaceful rather than violent means), and we will continue to make progress toward a cleaner, safer, yet more prosperous world.

    39. Re:A theoretically practical solar-powered car by Wrath0fb0b · · Score: 1

      They are selling it as MORE, not less, because there is MORE community, more local services and shops within walking distance, MORE connection with a MORE secure local economy that is MORE reliable, intimate and connected to servicing other local economy relationships of interdependence.

      No thanks. I'm all for local control and if that's the kind of locality you would like to live in, I really do wish you the best. Unfortunately, this won't work for me on so many levels.

      Let's start with the basics -- I live about a stone's throw from each of my neighbors and I like it that way. I would not chose to live at much higher density because I like having my space. Moreover, it removes the sources of petty conflict (random e.g. that's fresh in my mind: my friend got the police called on him for working on his truck in the driveway of his home, the cop had to politely explain to his neighbor that there's nothing illegal with that, even if it's loud and smelly). Similarly, I was reading about places that don't allow line drying (http://www.timesdispatch.com/rtd/lifestyles/home_garden/article/H-CLOT26_20090625-185602/276372/) because they don't like the way it looks. As people live closer and closer together, they get more and more meddlesome. God forbid I should burn my leaves instead of taking them to the city-approved dump where they can charge me $2/bag to take leaves!

      [As an aside, I always find this very puzzling -- I know all my neighbors and their families and kids' names, my friend that lives in a apartment buildings and rowhouses and don't know any of their neighbors. As far as I can see, living in closer proximity does not, in fact, actually create intimacy but actually causes people to retreat further into their personal space. By you logic, Manhattan should be an oasis of personable and pleasantly polite folks.]

      I don't want to have to spend $20 grand every 5 years or so to stay with a current vehicle if my town can be designed to provide most of my needs and I can just walk everywhere, and go HIRE a car on those rare occasions I do need a vehicle. What kind of moronic society continues to build an oil dependent mode of city plan when we are this close to peak oil anyway?

      I have never spent $20k on a car and they've each lasted me in excess of 10 years. You don't have to stay current with the latest model if you don't want to (isn't freedom grand). As for the city development, why don't we agree, as I posited at the top, that your city can develop in line with your (plural) shared priorities and mine can develop like we like our cities. Also, there are no traffic jams in my area -- there just aren't enough residents. And I enjoy my ride to and from work, it gives me some time to think and watch the pretty scenery go by.

      Basically, the gist of what I'm saying is that you may have a wonderful solution for some people but don't try to force it on the rest of us because it's not well suited to us.

    40. Re:A theoretically practical solar-powered car by copponex · · Score: 2, Insightful

      Much of your post is nonsense, but let me reply to your sentiment.

      And honestly, your entire post screams: "since these taxes won't affect me, I am in favour of them, as that will force other people to subsidise my own, different life style choices". You don't want *people* to pay the "full cost" of anything. You want *other people* to pay more for purchases which *you* aren't going to make, under the twisted and erroneous logic that your costs will go down. A very selfish view, given that your main implication is that other people are being too selfish with their consumption.

      I hope that clarifies things for you.

      No, I don't want any special treatment for anyone. I rarely eat cattle meat because of the environmental impact. When I do, I try to eat cattle meat from a farm where they are grass fed, humanely treated, and not from a cow factory stuffing them with corn and antibiotics. And I drive a small car, but not tiny, since I'm 6'7. Trust me, I understand the want to drive a yacht with a dvd player in the dash. I actually don't fit well in American made SUVs since they are engineered for soccer moms, but I digress.

      Regardless, I expect to pay a price that reflects the real costs of what I consume. The real benefit of market economics comes when the market provides transparency through accurate pricing all the way through the production of everything. This means, in my opinion, that a business has to have a manufacturing cycle that does no damage to the sustainability of life on the planet. If it cannot operate sustainably, its costs should be enormous, or we'll kill the planet, since killing the planet is the best option for the economy, but not for anything else. I don't think this is a controversial statement - you may argue with me on how damaging a certain process is to the environment, but it logically follows that making environmental destruction the most economical option has dire consequences. For reference, look at the environment in China.

    41. Re:A theoretically practical solar-powered car by Muad'Dave · · Score: 1

      You mean like this monstrosity being built near me? It's just down Broad St. from this other monstrosity - here's a map showing both. The mall is in the top-left of the map, the village is the dug-up area in the bottom-right.

      --
      Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.
    42. Re:A theoretically practical solar-powered car by sgt+scrub · · Score: 1

      Wouldn't burning hydrogen by igniting it with a spark, as opposed to reuniting it with oxygen, produce hydro carbons? If so, the "green factory" would be lost.

      --
      Having to work for a living is the root of all evil.
    43. Re:A theoretically practical solar-powered car by sgt+scrub · · Score: 1

      And chicken feathers will not be able to reduce the tank size.

      --
      Having to work for a living is the root of all evil.
    44. Re:A theoretically practical solar-powered car by sgt+scrub · · Score: 1

      Just because none of the import sports car makers have figured out how to make a lot of power and get decent mileage, is no reason to badmouth all sports cars.

      And, it isn't limited to your Vette. Modern sports cars are nothing like old pony cars. Both my MR2 and Supra had at or better than 25MPG. Modern sports cars are designed to make the most out of the fuel. When your not racing they are very efficient. That being said, I did have a 63 Chevy that had a V8 with 2.02 valves, long cam timings for intake + exhaust, and carbs that dumped fuel in asap even while idle.

      --
      Having to work for a living is the root of all evil.
    45. Re:A theoretically practical solar-powered car by Anonymous Coward · · Score: 0

      Why are you asking the parent to qualify his statement? I think it stands perfectly, as-is.

      I think he is advocating to the environmentalists that you, and people like you, have valid reasons for wanting this type of car. And, that if they want their movement to succeed, that they need to keep people like you in mind when coming up with their eco-friendly solutions.

      In reality, your corvettes are a very good target for the environmentalists to bitch about. From the environmentalist point of view, they represent all the wrong reasons to buy a car. And, from a practical point of view, they are correct. (I still think you can have one if you want one.)

      Not meant as an insult, but, your corvette(s) pretty much have a single purpose - ego boost.

      Your corvette is useless for doing anything other than dragging a maximum of two people around (with minimal luggage). No argument that they are a lot of fun to drive (if the police don't catch you). But, that is all they can really do.

      Contrast them with trucks:

      A truck is designed to haul cargo, and is meant to accomplish work. It gets progressively worse fuel mileage the harder it is worked.

      Some people treat them as a car, and there are plenty on the road that never haul anything larger than an extra large package of paper towels. So here, they fall into the same class as a sports car (albeit an odd subclass). So yes, this is ego-boost, too.

      But, that is not the intended purpose of a truck.

      A truck, even though it might get quite a bit worse fuel mileage than your corvette, gets a free pass (or should, as long as it is used for its intended purpose), because it is actually useful, and practical (again - only if you have a need for it).

      A truck is much more efficient than your corvette ever thought about being (for intended purpose), and, at the same time, it can still accomplish everything your corvette can (except top speed, and handling),. Sometimes, they can be just as fun to drive - just in a different way.

      I think that sports cars should not be lumped in with trucks, too.

      However, it's because trucks are more efficient, regardless of fuel efficiency, when the task at hand is considered.

    46. Re:A theoretically practical solar-powered car by Cross-Threaded · · Score: 1

      Beautiful, intimate, economically secure, cheaper, safer, cleaner, more fun, less boring, less predictable and more arty...

      You left out 'highly annoying'.

      While I applaud your enthusiasm, and believe this is a pretty good idea for those that would be happy in that environment, your opinion of what the best living conditions are is vastly different than mine.

      This model of living effectively sends shivers up my spine.

      My preferred way of living is to be away from population centers, and only visit them when I have a need to do so.

      If I want to be around people, I'll go find them. If I need supplies, I'll go to a place where I can get them.

      Believe me, you don't want me around when I've had my fill of people. (The asshole switch really flips on.)

      If this means that occasionally I'll have to slug along in the occasional 10-mile long traffic jam, I'm okay with that.

      I don't see it as a waste of time, at all.

      Sometimes less is more, but oftentimes, less is simply less.

      So lets make sure we focus on ways to improve energy efficiency for everyone, not just those that would prefer to be city dwellers.

      --
      They call us sheeple, I wonder why?
    47. Re:A theoretically practical solar-powered car by mpe · · Score: 1

      The biggest problem with gaseous combustion fuels is the limited storage capacity, and compressed air is much worse than any of them.

      Refueling is also likely to be more complex (and dangerous) than with liquid fuels. There is an explosion risk with a gas bottle just from the pressure involved.

    48. Re:A theoretically practical solar-powered car by cheesybagel · · Score: 1

      Air powered... compressed air? Everyone is trying to get rid of hydraulics when possible, e.g. in aviation. Compressed air solutions have low power/weight even compared to batteries.

    49. Re:A theoretically practical solar-powered car by Dogtanian · · Score: 1

      Not all sports cars get shitty mileage.

      If I'm paying good money for a sports car, it damn well *better* get shitty mileage!

      --
      "Slashdot - News and Chat Sites Deviant". (Click "homepage" link above for details).
    50. Re:A theoretically practical solar-powered car by Wrath0fb0b · · Score: 1

      Your corvette is useless for doing anything other than dragging a maximum of two people around (with minimal luggage). No argument that they are a lot of fun to drive (if the police don't catch you). But, that is all they can really do.

      You don't get to define what the term useful means as applied to my possessions. What's useful is something that satisfies my wants and desires. Period. There is no objective measure that you can apply to the happiness of others -- it makes no sense to tell someone that they will be just as happy with a pepperoni pizza as a sausage pizza, their enjoyment is something that is entirely subjective.

      This is exactly the thing that I was ranting about in my GP! I don't want to live in a bland utilitarian world in which aesthetic and enjoyment are no longer valid reasons to want something. I don't want to justify every nice thing I have to some bean counter who sees the price of everything and the value of nothing.

      Romanticism is not dead, not in America and I hope to god that it never will be.

    51. Re:A theoretically practical solar-powered car by boris111 · · Score: 1

      Probably not to the extend you desire, but it is already this way somewhat. Diesel is taxed more in the US and most users of Diesel are tractor trailers (I know not fair to people with Diesel VW Jettas). Also last month I bought a beater Ford F150 as a backup vehicle and trips to Home Depot and back. I was surprised to find out the vehicle registration fee was double the price of my commuter car.

    52. Re:A theoretically practical solar-powered car by BikeHelmet · · Score: 1

      They're using an inefficient piston engine.

      If they use that fancy Australian Rotary Air Engine, they might have better luck. They might even attain a range of 30+ km, which would be enough to get me to work. :P

      It all comes down to how cheap these cars end up. In India, they'll probably manufacture them for less than $3k. If we can get similar prices here, they will sell for select usage.

      My Grandma just gave up her license. For the 5+ years prior, she mostly just drove to the grocery store, or to an occasional doctors visit.

      For people with short trip scenarios, an air powered car could potentially save money. And if you have to travel a long distance... pick up a hybrid or one of those diesel rabbits for those spiffy 750 mile ranges. ;)

    53. Re:A theoretically practical solar-powered car by tkw954 · · Score: 1

      They're using an inefficient piston engine. If they use that fancy Australian Rotary Air Engine, they might have better luck. They might even attain a range of 30+ km, which would be enough to get me to work. :P

      It doesn't really matter about the engine efficiencies. Even if you had 100% efficient engines and compressors and perfect isothermal heating/cooling, the theoretical energy density of compressed gas is very low. According to the analysis on wikipedia (which looks reasonable to me), the maximum theoretical isothermal volumetric energy density of a 200 bar tank is 106 kJ/L. The value for combustion of CNG stored at a similar pressure (250 bar) is 9 MJ/L. For comparison, gasoline is at 34.2 MJ/L and even Lithium Ion batteries are over 800 KJ/L and have room for improvement.

    54. Re:A theoretically practical solar-powered car by Eclipse-now · · Score: 1
      WrathofOb, the particular "random" example of conflict you're describing with your neighbours is not going to happen in this particular Village-Town concept because cars are not allowed inside the village (except for a few quiet electric delivery vehicles now and then).

      Burn your leaves? This village composts everything and delivers it out to the local farmers.

      Your analogy about Manhattan being an oasis of personable and pleasantly polite folks is a strawman. This Village-Town concept is based on solid anthropology. The walled Village is for 500 people only. Yep, just like Manhattan! ;-) Then add some greenspace (farms, sporting fields, etc) and then you have the next village. Sociologically, we need to live in groups of 500 or so. Economically there are other formulaes. 7,500 people will support a local watchmaker. 10,000 people will create a largely viable local economy. But imagine inviting people to be a part of your very own village of 500 of your favourite people, with an arts guild, local rooms allocated for the school, all "mixed in" and together. Now that's cool!

      Basically, the gist of what I'm saying is that you may have a wonderful solution for some people but don't try to force it on the rest of us because it's not well suited to us.

      Problem is nature can't handle our suburban sprawl. It is the most resource intensive, land greedy way of designing things. We've locked up all these little surviving ecosystems into lonely islands of biodiversity, and now that global warming is arriving they can't "migrate" the way they used to. And the evidence is many people feel isolated by suburbia. There is no "there there". You sound like you live in a rural area? But for the vast majority of suburbanites there is no scenery as they drive to work, because they are surrounded by horrific faux McMansion boxes everywhere they look. There's no "soul" to the design!

      Muad-Dave, that seems to be heading in the right direction... that *seems* to be heading in the direction of New Urbanism. You're lucky to have it near you. There might be some jobs there to plug into when the economy completely transmutes after peak oil.

      Cross-Threaded: You'd have your privacy. There's parks and farmlands to walk through. You can still go home and close your door. You're only living with 500 people. But the bit you really got wrong was this bit: "If I want to be around people, I'll go find them. If I need supplies, I'll go to a place where I can get them." That assumes a bit too much... we are only a few years away from peak oil, and if we don't introduce electric cars in their 10's of millions and move trucks onto tracks (trucks to trains) in a BIG way soon, life could be very different. It might not be a question of how to get to the grocery store for your supplies. It might be will there be anything there when you get there?

      "City dwellers"? Don't you mean quaint country-town dwellers? 500 people / village, and then 20 independent villages / town. What city?

    55. Re:A theoretically practical solar-powered car by BikeHelmet · · Score: 1

      The engine isn't the only area of improvement, though. Aerodynamic can go a long way. People have demonstrated mods to gasoline vehicles with near-100% mileage gains.

      See: http://www.aerocivic.com/

      There's a list at the bottom containing many mods done by other people.

      There's nothing unfeasible about a 30+ km range. I agree that hundreds would be ludicrous without some new technology, but a cheap two-seater air-powered car would be a fine alternative to some of these expensive carts older people travel around in, and would be usable for other scenarios.

      You'll have a hard time convincing me there isn't some market for short-range air powered cars, if the price is low enough.

    56. Re:A theoretically practical solar-powered car by Eclipse-now · · Score: 1

      Muad-Dave, that seems to be heading in the right direction... that *seems* to be heading in the direction of New Urbanism. You're lucky to have it near you. There might be some jobs there to plug into when the economy completely mutates after peak oil.

    57. Re:A theoretically practical solar-powered car by Eclipse-now · · Score: 1
      (Sorry about double-posting some of these... I combined various answers into one post and forgot to address them to each specific poster. I'm used to other forum protocols and forgot how slashdot works). WrathofOb, the particular "random" example of conflict you're describing with your neighbours is not going to happen in this particular Village-Town concept because cars are not allowed inside the village (except for a few quiet electric delivery vehicles now and then).

      Burn your leaves? This village composts everything and delivers it out to the local farmers.

      Your analogy about Manhattan being an oasis of personable and pleasantly polite folks is a strawman. This Village-Town concept is based on solid anthropology. The walled Village is for 500 people only. Yep, just like Manhattan! ;-) Then add some greenspace (farms, sporting fields, etc) and then you have the next village. Sociologically, we need to live in groups of 500 or so. Economically there are other formulaes. 7,500 people will support a local watchmaker. 10,000 people will create a largely viable local economy. But imagine inviting people to be a part of your very own village of 500 of your favourite people, with an arts guild, local rooms allocated for the school, all "mixed in" and together. Now that's cool!

      Basically, the gist of what I'm saying is that you may have a wonderful solution for some people but don't try to force it on the rest of us because it's not well suited to us.

      Problem is nature can't handle our suburban sprawl. It is the most resource intensive, land greedy way of designing things. We've locked up all these little surviving ecosystems into lonely islands of biodiversity, and now that global warming is arriving they can't "migrate" the way they used to. And the evidence is many people feel isolated by suburbia. There is no "there there". You sound like you live in a rural area? But for the vast majority of suburbanites there is no scenery as they drive to work, because they are surrounded by horrific faux McMansion boxes everywhere they look. There's no "soul" to the design!

    58. Re:A theoretically practical solar-powered car by Cross-Threaded · · Score: 1

      we are only a few years away from peak oil, and if we don't introduce electric cars in their 10's of millions and move trucks onto tracks (trucks to trains) in a BIG way soon, life could be very different.

      Sorry, I have to call F.U.D. on this. This is far too alarmist, IMO, and delivery style counts.

      I agree that it is important that we get our energy act together, but, this type of argument turns off rational people, and instead makes them want to dismiss your claims, and ideas, regardless of how accurate, or wonderful they may be.

      The more political you make the issue, the more people will dig in their heels, and the less traction you are going to get in your movement.

      Electric Cars
      As soon as electric cars become a viable economic option, as compared to the oil burners, people will consider purchasing them. And, as oil scarcity increases, the more attractive these vehicles will be to everyone, so they will switch when it is economically feasible for them to do so.

      I don't think there is any reason we have to jump into full-tilt production of electric cars. All that is necessary here is to get the price of the technology down to where the early adopters are ready to buy, and get the ball rolling.

      The early adopters that are willing to spend the premium, will buy them first, and then the manufacturing costs will begin to fall to where they make more economic sense for the rest of us to purchase them.

      In addition, those people that want to live in your villages, won't need their own dedicated car, so that would decrease demand for the new cars, too.

      Trains
      Rail shipment, comparatively speaking, is cheap, and quite economical, from what I understand. That being said, other than infrastructure, I'm not real certain these need to have diesel engines, and carry fuel. Building infrastructure is expensive, I know, but we're going to have to replace what we have sooner, or later.

      The problem with rail transport is that the over-the-road trucks can do long hauls faster, with more agility, and go places the train rails don't. This makes them superior modes of transportation despite the higher cost in many situations.

      Even if transporting your goods on the train is the most cost-effective manner, trucks are still required to get the freight from the train to its final destination.

      Over-the-road Trucks
      I'm pretty sure there will still be enough oil left to perform an orderly phase-out for the rest of the transportation modes that still rely on it, once we get most of the cars switched over to electric.

      By then, I hope, we won't be so afraid of nuclear power, and can build infrastructure to make over-the-road trucks electric, too.

      (I'm thinking direct power lines with some sort of trolley system -similar to electric buses in metro areas- along highway routes, and battery power/diesel-electric for when the trucks have to leave the highway.)

      But the bit you really got wrong was this bit: "If I want to be around people, I'll go find them. If I need supplies, I'll go to a place where I can get them." That assumes a bit too much...

      Let me put it another way, if it comes down to having to use horses, and wagons, and growing your own food, I still prefer that, to living in your designer villages.

      Again, I'm not saying that your idea is bad across the board, it just doesn't suit me.

      And, it wouldn't suit a lot of others, like me.

      On, the other hand, your model will still need farms, ranches, etc., so maybe I can just live on the other side from the village.

      You'd have your privacy. There's parks and farmlands to walk through. You can still go home and close your door.

      Privacy is a subjective term.

      Admittedly, I'm spoiled, but, I have lived in places where your closest neighbor is half a mile, to a mile, away. I have also lived in apartments, and condominiums. I currently live alone in my house

      --
      They call us sheeple, I wonder why?
    59. Re:A theoretically practical solar-powered car by Eclipse-now · · Score: 1
      Hi Cross-threaded, Electric Cars I agree with your economic arguments increasing popularity of EV's, but disagree about the urgency. How many million cars does America have? How many million cars need to change over with say, an oil depletion rate of about 4% per annum, starting soon?

      Assume (from memory) 280 million cars in the USA. For "everything to be equal" with driving, if the post-peak depletion rate is say about 4% per annum, that's around 11.2 MILLION ELECTRIC CARS that have to be purchased just in the first year, PLUS all the battery-swap stations across America. To me that sounds like "A Green New Deal" of IMMENSE proportions! We're not just talking about the cars, but about the infrastructure that supports those cars. It simply ain't gonna happen. Then take into account the fact that WORLD peak oil of 4% does not mean that there will be guaranteed supply, with just 4% decline each year.

      Check out the "Export Land Model" for how various oil exporting nations might very quickly have their own domestic consumption eclipse their ability to produce oil.

      Village towns
      I agree with much of what you say about Village-Towns decreasing the need for cars, but I may have given you the wrong impression about how "big" the conversation in Australia really is. How many of them are going to be built how soon across Australia (or America?) How vast is the EXISTING landscape of McMansion McSuburbs living the McCar McLife? I think you'll find that while Australia is starting to debate this in some very specific circles, we'll be lucky to have ONE built before peak oil hits. So while this model may become more popular over the coming decades, I doubt YOU will have the opportunity to live in one soon, let alone be forced to live in one.

      Rail (trains, trams, trolley buses)
      97% of our goods are freighted by truck here in Australia, and I'm pretty sure America's in a similar boat. Now while I acknowledge your points about the convenience of trucking for certain businesses and the flexibility, I'm mainly talking about the interstate long distance hauling of goods and services. So sure, we might have some local trucking or freight of some sort, but the long distance freight is extremely exposed to fuel disruptions.

      Rail is much more efficient with the energy required to move it per ton, so interstate rail is incredibly important. Dang, we can CYCLE certain goods the last 20 km's on various trailers, rickshaws or whatever if we have to in an emergency but it's the tons and tons of food supplies and "stuff" that we move interstate that is the concern. Also, once a rail system is built New Urbanism with business and residential densities can spring up around it, revitalising the city center. Land values go up, city taxes come pouring in, and everybody benefits from a reliable, post-oil mode of transport delivering people and goods Co2 free to their New Urbanist destination. Everyone wins.

      Worrisome fud?
      I class myself as an optimist. Unlike many peak oilers, I at least admit what I can see with my own eyes, that there ARE electric cars nearly ready to deploy, that there ARE smart people working on all these problems at multiple levels, that there IS emergency fuel rationing legislation that could make a huge difference.

      However, it is all about how quickly these things can be deployed. I'm not talking about TEOTWAWKI but a truly MASSIVE economic crisis that seems inevitable because we hit the breaks on our oil dependency too little, too late. This is not the Y2K problem when we had to fix a bit of virtual code "just in time". (My dad worked for IBM and assured us years earlier that it was pretty much fixed). This is a real problem in the real world of physics and chemistry and gargantuan marketplace systems entirely addicted to oil. Where we live, what we buy, where our food comes from, how we grow our food in the first place... it ALL depends on oil.

      And yet too often I'm told the "market solution" to peak oil will fix everything. All

    60. Re:A theoretically practical solar-powered car by Cross-Threaded · · Score: 1

      Hey Eclipse-now,

      I will be the first to admit that I do not have enough data to determine the true urgency of this situation, and I'm not sure if I had all the data, that I would actually come to the correct conclusion. I'm a big enough micro-manager type that I would spend years trying to become comfortable enough with the data, and studying the procedures used to gather that data, before I felt that I could make a truly informed decision on it.

      Long story short, I feel I have to trust the experts for their opinion, and hope to heck they are not interpreting the data incorrectly, misleading me in any way, or playing political games.

      That being said, I think I might not be getting my points across as well as I'd hoped. So, let me try to clarify them:
      (If any of this seems condescending, please don't take it that way.)

      Concerning FUD
      I don't doubt your feelings about any of the urgency you are trying to convey. My point was that the parts of your post I highlighted were counterproductive to your argument.

      Your arguments contained verbiage which lead me to fear, uncertainty, or doubt. FUD scares people, and raises suspicion that you may be misleading them.

      The message conveyed was "You NEED to be really AFRAID", instead of, "There are some serious problems here, and this is why".

      I don't think it matters how good, and honest, your intentions were in the attempt to deliver the message. The damage was done by the verbiage, and it is hard to overcome.

      The natural reaction to FUD is fight!, or flight!, instead of, "Let's discuss this rationally."

      Calm, cool, and reserved communication tends to foster the trust relationship where you will be listened to, best.

      (I am drawing on about 20 years of sales, and customer service experience, prior to my 10-year career solving pebkac issues to support this claim, so it is opinion.)

      The old adage, "You catch more flies with honey, than you do vinegar" applies to a topic like this.

      So does, "You can lead a horse to water, but you can't make him drink."

      Sorry if I'm beating the dead horse here, the son-of-a-gun just wouldn't drink.

      Electric Cars
      It will be a huge undertaking to change the infrastructure to support electric cars properly.

      However, I do disagree in the idea that it ain't gonna happen. I don't think we get a choice. It just won't happen until it hits us hard enough in the pocket-book, to take action.

      When we build it, it will probably be done around metro areas first, then radiate out towards rural areas. I have no idea how long it will take to build it, but, I am confident it will happen.

      Again, when I think this takes off is when oil becomes scarce enough, and it becomes less expensive to build out the new infrastructure, rather than continue buying the oil.

      Hopefully, we will all be smart enough to start on it before it gets to be an impending doom situation. But, all it would take is to get caught with our shorts down for a year, or two, and you would see some no-kidding action from all-corners.

      Rail (trains, trams, trolley buses)
      I don't have any figures to support this, just anecdotal evidence, but a good friend is in the trucking business, and I have been picking his brain about this since I met him a few years ago.

      (He's got roughly 20 years, or so, experience in the field driving, and lately, he has been more involved on the scheduling side. When I met him, his job was to make sure that local freight (local meaning a 200+- radius) got delivered to, and picked up from the railroad. This was mostly food products (fresh vegetables) with the occasional trailer load of consumer goods.)

      The impression he gave me from our talks, was one that whenever possible, goods ship by train just because of the cost differential. However, since we live in a vast country, much like yours, the trains just don't run where they need to, or on a schedule that works for a lot of freight.

      Thus, the trucking industry is big he

      --
      They call us sheeple, I wonder why?
  12. NPR Interview by cybereal · · Score: 4, Informative

    According to an interview with a researcher or the lead researcher or something like that, it's not as much as carbon nanotubes or other existing solutions, but it's "enough" and it's vastly cheaper. All existing solutions are impossibly expensive, that's the big deal here. Something like 6 billion pounds of chicken feathers are produced as by products of the chicken industry every year with zero practical reuses.

    The same interviewee goes on to explain that there are a number of other possible uses of chicken feathers as a high grade material component, in everything from car body pieces to wind mill blades for wind power. I think it's an excellent effort and I hope it bears fruit.

    --
    I read the script, and I think it would help my character's motivation if he was on fire. -Bender
    1. Re:NPR Interview by Anonymous Coward · · Score: 0

      As I understand it, they use chicken feathers to cook down into a special kind of feed for cattle. I also heard this on NPR (national petroleum radio).

    2. Re:NPR Interview by timeOday · · Score: 1

      As a backpacker, I'm amazed every year they fail to find a synthetic sleeping bag insulation superior to goose down. Synthetics are somewhat competitive per lb, and insulate better when wet, but they don't compress nearly as much as down. I wonder if the hydrogen-absorbing power of feathers is related to the air-trapping, insulating power of feathers? The article says the strong, hollow tubes of feathers are part of why they hold hydrogen.

    3. Re:NPR Interview by Anonymous Coward · · Score: 0

      I think it's an excellent effort and I hope it bears fruit.

      No, it bears meat. It's chicken.

    4. Re:NPR Interview by Muad'Dave · · Score: 1

      The Tyson's plant near me regularly burns what I suspect are chicken feathers - Pee ewww! It may be them cooking down the leftover parts (including feathers) for animal feed, but it smells like burning feathers.

      --
      Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.
  13. PETA won't hear of it by Starlon · · Score: 1

    Plain and simple. Find a solution that utilizes veggies instead.

    --
    Health Freedom is almost as popular as Freedom itself.
    1. Re:PETA won't hear of it by camperdave · · Score: 3, Funny

      Well, they started out using horse feathers, once they figured out how to get down off of one.

      --
      When our name is on the back of your car, we're behind you all the way!
    2. Re:PETA won't hear of it by d4nowar · · Score: 0

      Won't anyone stop and think of the poor vegetables?!

    3. Re:PETA won't hear of it by NotBornYesterday · · Score: 1

      Dammit, you beat me to it.

      --
      I prefer rogues to imbeciles because they sometimes take a rest.
    4. Re:PETA won't hear of it by jd2112 · · Score: 2, Insightful

      PETA has only ever said one thing that I agree with: When they wanted Ben & Jerry's to switch to human breast milk they said 'The breast is the best'. However, unlike PETA, I prefer the packaging to the contents...

      This is the same PETA that complained about President Obama killing a fly! What kind of message would it send to Kim Il Jong and Osama Bin Laden and the rest of the worlds baddies if the President had to get his fly trap to humanely catch and release the fly instead of swatting the little bugger...

      --
      Any insufficiently advanced magic is indistinguishable from technology.
    5. Re:PETA won't hear of it by VIPERsssss · · Score: 1

      PETA can go fuck themselves.

      --
      We are eternal, all this pain is an illusion.
    6. Re:PETA won't hear of it by Anonymous Coward · · Score: 0

      Fuck PETA. Why don't we just reclassify chickens as vegetables? Problem solved.

    7. Re:PETA won't hear of it by bill_mcgonigle · · Score: 1

      Why don't we just reclassify chickens as vegetables?

      Dude, visit Texas sometime.

      --
      My God, it's Full of Source!
      OUTSIDE_IP=$(dig +short my.ip @outsideip.net)
    8. Re:PETA won't hear of it by QuietObserver · · Score: 1

      Are you referring to scientists or PETA?

      The former would surprise me, but the latter wouldn't. Besides, Chickens molt; how is that cruel. Also, if we can do it with chickens, shouldn't we also be able to use turkeys, ducks, geese, and other avian fowl?

  14. O(1) by SuperKendall · · Score: 4, Insightful

    Since the chicken feathers have only to be carbonized once, and can repeatedly act as hydrogen storage... your question is pointless.

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
    1. Re:O(1) by Anonymous Coward · · Score: 0

      Since the chicken feathers have only to be carbonized once, and can repeatedly act as hydrogen storage... your question is pointless.

      Not really.

      Where is all this hypothetical hydrogen going to come from? How much energy will that consume?

    2. Re:O(1) by chill · · Score: 1

      Water, using solar- or wind-powered electrolysis.

      --
      Learning HOW to think is more important than learning WHAT to think.
    3. Re:O(1) by Anonymous Coward · · Score: 2, Insightful

      Um, the only reason we have enough chickens to even consider using their feathers for this is because we are in an oil-powered society. No oil, no more mass-farming. End of story.

    4. Re:O(1) by Rei · · Score: 1

      Which uses 3-4 times as much power as with electric vehicles. And it's not really about storage capacity (that's just one issue) -- it's about fuel cell prices (ridiculously expensive), longevities (under 5 years, and that's assuming you use super-pure hydrogen), safety, lack of infrastructure, and on and on.

      I would love to have an affordable, durable, safe, efficient hydrogen vehicle that I could fill up anywhere across the country. I'd park it next to my unicorn.

      --
      I tore these out of your symbol, and they turned into paper.
    5. Re:O(1) by PitaBred · · Score: 1

      What proof do you have of that? Any energy source that would allow transport would allow mass farming like we currently have. It was in the 70s when we started eating more chicken, and it was connected to being cheaper and being healthier for you than other meats.

    6. Re:O(1) by mosb1000 · · Score: 1

      These days fuel cells are not a lot more expensive than batteries. Remember, to get more range out of a fuel cell, all you need is a bigger tank, to get more range out of batteries, you need more batteries. So an electric car with a 300 mile range is pretty much impossible to build at any price, but a hydrogen car with that range is not much more expensive than a hydrogen car with a 1 mile range.

      And they do not use 3-4 times more power than batteries, that's the whole point. Fuel cells basically are batteries.

    7. Re:O(1) by Anonymous Coward · · Score: 0

      Corn (feed) is grown currently at unsustainable rates using petroleum-derived fertilizers and pesticides. When you go back to "sustainable" farming, e.g. just smart crop rotation and not destroying the soil in a decade, your yields go down quite a bit.

    8. Re:O(1) by CarpetShark · · Score: 1

      And they do not use 3-4 times more power than batteries, that's the whole point. Fuel cells basically are batteries.

      No, greenwashing is the whole point. I haven't followed it too closely, but I've never seen any claim of equivalent or better fuel cell charging techniques than for traditional chemical batteries. Mostly the concept of needing to charge the things is entirely missed, and the rest of the time it's usually ignored because the so-called "clean energy" just sounds so good.

    9. Re:O(1) by mosb1000 · · Score: 1

      You don't charge fuel cells, you fill them with Hydrogen. You can produce hydrogen through reformation, which is very efficient but starts with hydrocarbons, or through electrolysis.

      Taken as a whole, an electrolysis/fuel cell system is 30-50% efficient, while a battery system may be 90% efficient. So a battery is maybe twice as efficient.

      The problem with batteries is that you have to add more batteries to increase capacity, while with fuel cells you only need to store more hydrogen. So there are many energy storage applications where batteries are not suitable, but hydrogen could be.

    10. Re:O(1) by Rei · · Score: 1

      These days fuel cells are not a lot more expensive than batteries.

      Simply untrue. Fuel cells are available in small quantities at $10/W and in bulk at as low as $4/W. For a minimal cruising power of ~15kW for a small car, that's $60,000, *plus* the cost of a ~6kWh li-ion battery pack or supercapacitor to buffer your charge (otherwise, you need more like 60kW of fuel cells, at $240k), *plus* the cost of the H2 storage tank. Even the ultra-expensive Tesla Roadster pack is under $20k. There's a reason nobody is selling FCVs today, only offering subsidized leases for them. Only one company is offering an unsubsidized FCV lease: Toyota. Guess how much it costs. Try $7,700 per month. That's not a typo: per *month*.

      Remember, to get more range out of a fuel cell, all you need is a bigger tank, to get more range out of batteries, you need more batteries.

      Irrelevant unless you're talking of ranges in the upper thousands of miles. The real cost in a FCV is the fuel cell stack.

      So an electric car with a 300 mile range is pretty much impossible to build at any price

      You mean like the T-Zero, which predates the Tesla Roadster? Or like the upcoming Tesla Model S?

      but a hydrogen car with that range is not much more expensive than a hydrogen car with a 1 mile range.

      And that 1-mile range hydrogen car costs upper 5 or lower 6 figures for a normal, mundane sedan, and lower 6 figures to mid 6 figures for an SUV. And then factor in that the fuel cells last under 5 five years. Most upcoming EVs have their packs *warrantied* for 10 or so years.

      It's just not a competitor. They don't even win in fueling times. The Fuel Cell Equinox takes about 25 minutes to fill; rapid charging EVs can fill in under 10 minutes. The only way to make FCVs competitive with rapid-charge EVs on fueling time is to store the hydrogen at the ridiculous (~5 *tons* per square inch) pressures found in the vehicle, *in bulk at the station*. Which is obscenely dangerous and, not to mention, expensive. Of course, not like there are any relevant number of even *low pressure* stations anywhere around.

      --
      I tore these out of your symbol, and they turned into paper.
    11. Re:O(1) by LWATCDR · · Score: 1

      Actually most hydrogen is made from Natural Gas.
      You could make it from wind or solar but that is pretty inefficient.
      I am not a big fan of the hydrogen economy. It sounds good but when you start to look at all the problems it just doesn't work out. Hydrogen is great for rockets and wielding but not for cars IMHO.
      I much prefer the idea of Methanol or even making the hydrogen into a synth fuel..

      --
      See my blog http://ilovecookes.blogspot.com/ for light hearted technical information.
    12. Re:O(1) by djeez · · Score: 1

      ... So an electric car with a 300 mile range is pretty much impossible to build at any price ...

      I hate to prove you wrong, but the Tesla Motors Model S is far from impossible to build and it even has a price.

    13. Re:O(1) by LWATCDR · · Score: 1

      I do tend to agree but the replacement cost of the fuel cells could be off set by a core charge on the old cells. Depending on how much of the value of the fuel cell can be reclaimed during recycling.
      Of course you could park said fuel cell car next to a battery car that is is all the same things that you can drive across country without out stopping for a lengthy recharge every 300 miles. Oh and is available today without some revolutionary charging/battery tech that you can not buy yet.

      Of course what everybody seems to be forgetting is that you can burn Hydrogen in any number of engines instead of using a Fuel Cell including gas turbines, Stirling, or a good old fashioned Otto cycle engine.

      --
      See my blog http://ilovecookes.blogspot.com/ for light hearted technical information.
    14. Re:O(1) by CarpetShark · · Score: 1

      You don't charge fuel cells, you fill them with Hydrogen

      Maybe I'm technically incorrect here, but for all intents and purposes, I figure... well, same difference. As I understand it, hydrogen is generated by chemical/electrical processes, just like traditional "chemical" batteries are charged by energetic processes which change the chemical states.

      As for adding batteries vs. increasing fuel cell capacity... that's just like a typical battery. Actually, technically, a "battery" is a collection "cells". Those cells can be large or small, depending on the intended application/output, just like with hydrogen cells I'm sure.

      On the efficiency stuff... that's informative; thanks :)

    15. Re:O(1) by rujholla · · Score: 1

      I imagine he is referring to petroleum based fertilizers, but unless that affects the ability to raise chicken feed, I'm not sure where that affects chickens.

    16. Re:O(1) by Rei · · Score: 1

      Li-ion batteries are 96-99% efficient. Commercial fuel cells stacks are 40-50% efficient, with individual cells as high as 70%, but only when run at low power (i.e., you need to be even more expensive upfront if you want those numbers) and fed pre-compressed pure oxygen. Electrolysis is 50-85% efficient (there's a tradeoff of capital costs versus efficiency). Electricity transport is 92.8% efficient in the US. Hydrogen has at least some of those electricity transport losses *plus* transportation losses (10-15%) and compressor losses (~10-15%).

      It's a disaster in terms of system efficiency.

      The problem with batteries is that you have to add more batteries to increase capacity, while with fuel cells you only need to store more hydrogen.

      As was pointed out to you, that's irrelevant because even a 1-mile range hydrogen fuel cell vehicle is way too expensive because of the ridiculous price of fuel cells. Even the Tesla Roadster's pack costs under $20k. The only unsubsidized full-sized fuel cell vehicle on the market has a $7,700 monthly lease. You'd pay for the cost of the Roadster's pack in just three months of that lease.

      --
      I tore these out of your symbol, and they turned into paper.
    17. Re:O(1) by Rei · · Score: 1

      Those cells can be large or small, depending on the intended application/output, just like with hydrogen cells I'm sure.

      Actually, it's different. With fuel cells, the big price is per watt. With batteries, the big price is per watt hour. The problem is that the price per watt on fuel cells is so ridiculously out of the ballpark it's not even funny. Well, that's *one* of the many problems with them. Fuel cells are a disaster upon a disaster upon a disaster, in terms of plausibility as a transportation system.

      The US cut off fuel cell vehicle research funds for a reason. And no amount of complaining by CARB and the multi-billion dollar fuel cell industry can change the physics. Fuel cells work great for NASA space missions. Not so great for cars.

      On the efficiency stuff... that's informative; thanks :)

      Their efficiency statements are inaccurate. See my reply to them.

      --
      I tore these out of your symbol, and they turned into paper.
    18. Re:O(1) by Rei · · Score: 1

      Of course you could park said fuel cell car next to a battery car that is is all the same things that you can drive across country without out stopping for a lengthy recharge every 300 miles. Oh and is available today without some revolutionary charging/battery tech that you can not buy yet.

      Just the opposite. You *can't* drive an FCV across country without a hydrogen caravan. You can drive an EV across the country today, albeit with about as much downtime as uptime.

      If you want to talk about a hypothetical future where there's H2 stations across the US, then compare it to an equivalent future where there's EV rapid chargers across the US. EV rapid chargers *do* exist today. AeroVironment makes them as powerful as 250kW. Norvik, 300kW. That's about 25 miles of range per minute of charging. And they're cheaper to build/install than even the low pressure hydrogen stations that take ~25 minutes to fill (~8 miles range per minute of filling), let alone the high pressure (ultra-dangerous) stations that give 3-5 minute fills but cost several times as much.

      It's not a "revolutionary charging/battery tech that you can not buy yet". The Mitsubishi MiEV, on sale in Japan, charges in 30 minutes. The Subaru R1e, on sale in Japan, 15 minutes. The BYD F3DM, on sale in China, 15 minutes. The Lightning GT, Phoenix SUT, and Shelby Ultimate Aero EV, will all be under 10 minutes. There's been a network of 40kW stations (sort of the boundary between rapid and non-rapid charge) installed in Hawaii for over a decade.

      Of course what everybody seems to be forgetting is that you can burn Hydrogen in any number of engines instead of using a Fuel Cell including gas turbines, Stirling, or a good old fashioned Otto cycle engine.

      Which makes the efficiency *even worse*. By a big margin. Well worse than gasoline. And cuts the engine power and reduces engine life. So what's the point?

      The notion of a "hydrogen economy" is what happens when PR runs wild.

      --
      I tore these out of your symbol, and they turned into paper.
    19. Re:O(1) by LWATCDR · · Score: 1

      Like I said I am not a big fan of Hydrogen but just how would it reduce engine power and life?
      Rapid charging does have a negative effect on battery life and is also dangerous. Read up on battery safety some time. Most of those dangers should be reduced by advanced battery chargers.
      EVs are just not practical. I still think Methanol is a better solution for energy storage than hydrogen. Probably the ultimate solution for transportation would be a completely synthetic hydrocarbon made from water and atmospheric CO2.
      That is impractical without a source of cheap clean power like Fusion. Let's hope the Polywell reactor works out.

      --
      See my blog http://ilovecookes.blogspot.com/ for light hearted technical information.
    20. Re:O(1) by mosb1000 · · Score: 1

      The price per watt on fuel cells has come down 10-fold in the last several years. If they can bring them down another 10-fold they most certainly will be practical. My efficiency statements are not inaccurate, you are comparing different numbers. I'm talking about the overall efficiency of the whole power-delivery system, you are looking at only the efficiency of the battery.

      Fuel cells are not disaster upon disaster, as you say, their only downfall is their price. They are more efficient than internal combustion engines, and they can be used to store large amounts of electrical energy.

      Batteries suffer from fundamental limitations that mean they simply will not be able to replace conventional transportation and energy storage systems. Charging batteries takes a long time, adding capacity means adding more batteries, batteries are heavy. Hydrogen fuel cells do not suffer from any of these limitations. Their only limitation is their cost.

    21. Re:O(1) by Rei · · Score: 1

      Like I said I am not a big fan of Hydrogen but just how would it reduce engine power and life?

      Life: Hydrogen is a much more corrosive fuel than gasoline.
      Power: Hydrogen's low density and tendency for knock means less power per stroke. A H2 engine has to be about 50% larger than a gasoline engine for the same power output.

      Rapid charging does have a negative effect on battery life

      Not as much as you'd think. Even amateurs rapid charge batteries. Over on rcgroups.com, one person did an experiment where they repeatedly charged an A123 cell in 15-20 minutes and then discharged it in 8-10 minutes (like anyone could ever discharge a car's battery pack that fast). It took 1,000 cycles for the cell to get down to 80% capacity. For a 200 mile range car, that's 200,000 miles of *only fast charges* (never mind that fast charges will be rare; overnight charging is more common -- and also never mind that this included extremely rapid discharges). And these were in poorly controlled conditions, not a professional charge management system. And some chemistries are even more durable than the phosphates. For example, AltairNano's titanates are used in grid load balancing applications where they repeatedly charge and discharge, charge and discharge, over 10-15 minutes, over and over for years on end.

      and is also dangerous

      Oh, that's rich coming from someone advocating for hydrogen. It's far easier to control the risk of rapid charging than it is for hydrogen. Rapid charging risks only exist for the 10-20 minutes that the charging is underway. Hydrogen risks remain 24/7. Rapid charging risks are managed in exactly the same way moderate speed charging is managed by SAE J1772.

      Read up on battery safety some time.

      I know all about battery safety. Do *you* know how few people die from electrocution in the US each year? About 400 a year (there are ~300 million people in the US). Most of them electrical workers. Even a 120V/15A outlet can kill you. A 240V outlet, like used on dryers, stoves, and RVs (which get repeatedly plugged in and unplugged) can kill you quite easily. But these deaths are rare. Why? Because of appropriate design in terms of safety. Electricity can be a powerful force, but we've gotten quite good at taming it -- and that's through measures far less extreme than SAE J1772. And J1772 isn't as far as you can take it either -- if you really wanted to be extreme, you could have a conductive outer sheath on your cable that, if damaged or even bent too far, kills power.

      The problem is that there's really no way to make hydrogen safe. You can't put a fuse or breaker on hydrogen. You can't realistically eliminate all sources of static from areas where H2 vehicles are stored or fueled. It's always going to be in an environment subject to catastrophic failure. Etc. It's never a good thing.

      EVs are just not practical.

      Yeah, how is it practical to never have to go out of your way to fill up in your everyday life and to only pay a penny or two per mile to fuel in the most energy-efficient means physically possible...

      I still think Methanol is a better solution for energy storage than hydrogen.

      Even less efficient. And toxic. And expensive. And eats up land.

      Probably the ultimate solution for transportation would be a completely synthetic hydrocarbon made from water and atmospheric CO2.

      Which requires a tremendous amount of energy to make. And tremendously expensive.

      You can't ignore the issue of efficiency. Power plants are expensive to make. Clean power plants, all the more expensive. And even with clean power, there are environmental consequences. Want five times the coastline covered in wind turbines? Five times the desert plastered with solar panels? Five times the dammed rivers? And on and on and on.

      --
      I tore these out of your symbol, and they turned into paper.
    22. Re:O(1) by Rei · · Score: 1

      The price per watt on fuel cells has come down 10-fold in the last several years.

      On what planet?

      If they can bring them down another 10-fold they most certainly will be practical

      No, and park it next to my unicorn.

      My efficiency statements are not inaccurate, you are comparing different numbers. I'm talking about the overall efficiency of the whole power-delivery system, you are looking at only the efficiency of the battery.

      Irrelevant. Generator efficiency effects electrolysis, too. So does AC/DC conversion. Both FCVs and BEVs use electric motors, so that cancels out, too.

      Fuel cells are not disaster upon disaster, as you say, their only downfall is their price.

      Right. Only price. And fill time. And storage density. And moving parts. And longevity. And ozone depletion. And incredibly low ignition energy. And platinum consumption (scarcity, unbelievably massive environmental destruction per unit mass). And metal embrittlement. And wide combustible and explosive fuel/air mixture ranges. And very high fuel costs. And extreme bulk storage/transport costs. And way lower efficiency than BEVs. And really expensive fueling stations at even low pressure. And several times more expensive than that at high pressure. And virtually no way to fill an H2 vehicle in most parts of the world *at all* (unlike BEVs). And greater temperature sensitivity than batteries. And on and on, but apart from all of that, they only have one downfall, sure.

      Charging batteries takes a long time

      Mitsubishi MiEV: 30 minutes (on sale now in Japan)
      Subaru Stella EV: 15 minutes (on sale now in Japan)
      BYD F3DM: 15 minutes (on sale now in Japan)
      Lightning GT: 10 minutes (upcoming)
      Shelby Ultimate Aero EV: 10 minutes (upcoming)
      Phoenix SUT: 10 minutes (upcoming)

      You were saying? Go enjoy your 25 minute fill at an H2 station. H2 filling times have been going *up* while EV times have gone down, as the more hydrogen you want to store and the higher pressure you want to store it at increase fill time. And the only way around it is the ridiculously dangerous, ridiculously expensive approach of storing it pre-pressurized up to 5 tons per square inch at the station.

      adding capacity means adding more batteries

      And adding more power to a FCV means adding more fuel cells. Your point? EVs already do 4-5 *hours* of highway driving on a single charge, and battery capacity has increased 4.5x in the past 20 years. It's simply not an issue.

      batteries are heavy.

      And fuel cell stacks are not? You need the fuel cells (no slouch themselves in terms of either bulk or weight), the tank (not too heavy but very bulky), *and* a several kilowatt hour, high-power battery pack (bulkier/heavier than high energy batteries) to buffer the fuel cell stack. The FCX clarity weighs 3,600 lbs. The 240-mile Tesla Roadster weighs 2,723 lbs.

      Fuel Cells: Dead Freaking End.

      --
      I tore these out of your symbol, and they turned into paper.
    23. Re:O(1) by LWATCDR · · Score: 1

      Actually I am not for hydrogen. Hydrogen isn't corrosive but yes some metals can suffer from hydrogen embrittelment. Not that big of a risk to be honest at the concentration you would find in an engine and can be worked around with the right materials.
      As to battery safety if you hang around the RC forums you must know about the fire proof bags they sell for recharging and that a good number of RC folks put their batteries in the fire proof bags in their fireplace to charge them since at least one person has lost a workshop because their batteries vented with flame.
      Or you may have seen the notebook fires.
      Methanol can be made from any plant matter, coal, natural gas or air and water with enough energy.
      Electric only cars just are not practical for a lot of people because of range and recharge times. Also I like your math for the recharge life but you got it wrong.
      Batteries loose capacity with every recharge cycle. A thousand cycles will not be 200,000 miles for most users. It will be three years since they will recharge every night.
      Hey I could be wrong but until I can buy a economical ev that fits my needs or even see one on the market it is vapor. I think the lack of research in Methanol is a huge mistake since it can also be used in fuel cells and has been used in IC engines for decades. Heck every "gas" model engine you are likely to see uses methanol. There are a few that don't but they are rare.
      Not to mention that Methanol is used for camp stoves around the world so it isn't that toxic.

      --
      See my blog http://ilovecookes.blogspot.com/ for light hearted technical information.
    24. Re:O(1) by badkarmadayaccount · · Score: 1
      --
      I know tobacco is bad for you, so I smoke weed with crack.
    25. Re:O(1) by badkarmadayaccount · · Score: 1

      And storage issues...
      And hydrogen production inefficiency...
      And overusing a very limited resource (platinum/palladium) as a key element...
      And power density issues...
      Other than that, how was the play, Ms Lincoln?

      --
      I know tobacco is bad for you, so I smoke weed with crack.
    26. Re:O(1) by Rei · · Score: 1

      Actually I am not for hydrogen. Hydrogen isn't corrosive but yes some metals can suffer from hydrogen embrittelment.

      1) Hydrogen embrittlement is a form of corrosion.
      2) Not just some -- "most". Almost all, actually. On the other hand, most materials are compatible with gasoline.

      As to battery safety if you hang around the RC forums you must know about the fire proof bags they sell for recharging

      You're confusing LiPo and other cobalt/graphite cells with LFP and other "automotive" li-ions.

      Or you may have seen the notebook fires.

      Again, you're mixing up cobalt/graphite cells with other forms of li-ion. Tesla (and by extension Daimler) are the only ones using that battery tech (and each of the cells are inside sealed "cans" designed to isolate thermal incidents from other cells and from the driver). All of the others are using LFP, manganese spinels, and titanates. All of which are less of a fire risk than gasoline.

      Methanol can be made from any plant matter, coal, natural gas or air and water with enough energy.

      It's all about efficiency. And when it comes to plant matter, the land-use efficiency as well. And the numbers are awful. A solar thermal plant operating on a patch of desert will power 20-50 times as many EVs per acre as an optimal field of plants grown to produce methanol will power ICEs (I can show you the math if you're interested). And it won't drain our rivers or aquifers for irrigation and lead to massive fertilizer dead zones, either. And why you're so instant on having such a neurotoxic fuel in your tank (and correspondingly, the vapors of it everywhere it's dealt with) is beyond me. It only takes 10ml of methanol in your body to permanently destroy your optic nerves.

      Batteries loose capacity with every recharge cycle. A thousand cycles will not be 200,000 miles for most users. It will be three years since they will recharge every night.

      *sigh*. That's not how it works, and this is really, really basic. Li-ion cells don't degrade based on how many times you plug them in. They degrade based on how many times their material is cycled through (and in the case of cobalt/graphite cells, by age/temperature as well). A complete cycling through of the material is known as a "full cycle". A half cycling through is known as a "half cycle". Now, it's not fair to say that if you get 1000 full cycles, you'll get 2,000 half cycles. Actually, it's more like *3,000* half cycles, because there's more degradation as you near the exhaustion of a cell than there is early on. I.e., just the opposite of what you describe. A person who drives 40 miles a day (more than average) on a 200 mile EV is only going through a fifth of a cycle per day.

      What you're describing is called a "memory effect". None of the li-ion variants have a memory effect. The memory effect is primarily a NiCd phenomenon.

      Hey I could be wrong but until I can buy a economical ev that fits my needs

      It depends on what you call "economical". But first, answer this: are you one of those idiots who assumes that only payback periods of a couple years are relevant, or do you (like an investor) look at the long-term picture, including the expected life of the vehicle, maintenance, and value retention (if resale is planned), and then consider the premium on such a vehicle as a loan? If you're the former, you'll be waiting a while. If you're the latter, there's already one EV like that on the market in China, and there will be quite a few in the US in the next couple of years.

      or even see one on the market it is vapor.

      You do realize that *almost every single marque* is building them, right? Dozens and dozens of different models? You know what sort of massive worldwide conspiracy it'd take to keep them off the market?

      --
      I tore these out of your symbol, and they turned into paper.
  15. Damn the pigs by R0UTE · · Score: 1

    If only swine flu hadn't taken over from bird flu we'd have an abundant supply of the feathers as well.

  16. Read TFA ... by Jstlook · · Score: 1

    Because I maintain good intentions, and I assume most people do likewise, I'll also assume that the reporter made an error, and that Oregon researchers aren't actually trying to convert sunlight into hydrogen. Energy into matter? I seem to remember something about this ...
    Nope, it's gone. Now, where did I put my glasses?

    --
    ---jstlook ---For that is the way of Elves, for they say both yes AND no, and mean every word of it. --- J.R.R.T.
    1. Re:Read TFA ... by rts008 · · Score: 1

      Energy into matter? I seem to remember something about this ...

      Yes, if you ever watched Star Trek, you would have 'seen this in action' as the transporters, and replicators.

      In reality, not so much.

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    2. Re:Read TFA ... by Anonymous Coward · · Score: 0

      Throw in a little water and it's easy to "convert sunlight into hydrogen". That's a silly way to phrase it, since you're really using sunlight to bust up water molecules, but that's what they call it.

  17. Somebody paid a researcher to do this? by Anonymous Coward · · Score: 0

    Theres obvious savings in the program to start with - how much hydrogen can a carbonised researcher hold?

  18. H2 Guano by JustOK · · Score: 1

    A chicken for every potentiometer

    --
    rewriting history since 2109
  19. Who needs chicken feathers??? by Vinegar+Joe · · Score: 1

    When we've got Atomic Rooster!!!!!!

    http://www.youtube.com/watch?v=BrVmBRqEp3s

    --
    "The average reporter we talk to is 27 years old......They literally know nothing." - Ben Rhodes
  20. Ten years away by physburn · · Score: 2, Insightful
    I don't believe the ten years away figure. Fuel Cell cars and hydrogen running Internal Combustion engines are available now. We could start building such cars now, for example, this Honda Demo Vehicle the main infrastructure problem, is having hydrogen gas stations.

    -

    The idea those sound funny, and i've been laughing at a lot of the comments here, but chicken feathers are just waste and nearly free, so what could be cheaper to use for a hydrogen tank?

    -

    Fuel Cell Feed | Electric Vehicle Feed @ Feed Distiller

  21. why? by dayton967 · · Score: 1

    Why do I have a feeling there is now going to be some "Why did the chicken cross the road" jokes to start because of this?

    1. Re:why? by Merls+the+Sneaky · · Score: 1

      Q: Why did the pervert cross the road?

      A: Cause his dick was stuck in the chicken.

    2. Re:why? by dayton967 · · Score: 1

      boo hiss

  22. Re:First Post? by morghanphoenix · · Score: 1, Insightful

    People need to read the moderation guidelines before clicking, the parent may be off-topic, but it isn't a troll.

  23. SNAFU by Jerry+Rivers · · Score: 1

    Situation Normal; All Fowled Up.

    --
    The pursuit of absolute tolerance leads to the most rigorous and ludicrous intolerance. - REX MURPHY
  24. One big problem, not a zillion. by lgbr · · Score: 4, Interesting

    I wouldn't say 'about a zillion to go.' I would say one big problem to go. That problem is platinum. We simply have not been able to eliminate the need for platinum in fuel cells to extract the electricity from the reaction of hydrogen and oxygen. Platinum is a huge factor in the cost of the fuel cell and the larger problem is that we simply don't have the amount of it necessary to convert all of the vehicles of the world. I spent a few weeks at Los Alamos with a research group that had been given a hefty grant for finding a solution and all they were doing was shrugging their shoulders at it. It seems nearly hopeless.

    The day we find a solution to this problem is, I believe, the day that fuel cells become viable for everyday transportation. I'll be the first in line to swap my motorcycle for a fuel cell powered version because the only problem with fuel cells is their cost per kilowatt. Currently it costs roughly $73 per kilowatt for a fuel cell (source). This is down from $1,000 in 2002. This means that we've come incredibly far, and we only have one problem to overcome.

    1. Re:One big problem, not a zillion. by $pace6host · · Score: 1

      I wouldn't say 'about a zillion to go.' I would say one big problem to go. That problem is platinum. We simply have not been able to eliminate the need for platinum in fuel cells to extract the electricity from the reaction of hydrogen and oxygen. Platinum is a huge factor in the cost of the fuel cell and the larger problem is that we simply don't have the amount of it necessary to convert all of the vehicles of the world. I spent a few weeks at Los Alamos with a research group that had been given a hefty grant for finding a solution and all they were doing was shrugging their shoulders at it. It seems nearly hopeless.

      I thought Argonne (sister DoE lab) came up with a breakthrough for reducing the amount of platinum needed (over 2 years ago)? I haven't heard much about that since, though.

      I swear, if I had nickel for every alternative energy breakthrough that was announced with great fanfare but went nowhere, I could fund the infrastructure change myself. Do these things just end up fizzling? Are they hoaxes? Is some evil petroleum magnate in a bunker inside a volcano buying them all up and tossing the secrets into the magma? I'm not one for conspiracy theories, but boy, I'd love a good investigative look back at all the alternative energy ideas of the last 30 years, just so we could present it to the media as a guide for what to look for.

    2. Re:One big problem, not a zillion. by Anonymous Coward · · Score: 0

      Screw fuel cells. Just burn H2 instead of gasoline in a regular internal combustion engine. You could even convert a gas engine to a hydrogen engine with a kit.

      dom

    3. Re:One big problem, not a zillion. by budgenator · · Score: 1

      Why not just burn the hydrogen in a dual-fueled ICE? Run it on hydrogen when available, gasoline, ethanol or methanol when it isn't

      --
      Apocalypse Cancelled, Sorry, No Ticket Refunds
    4. Re:One big problem, not a zillion. by type40 · · Score: 1

      I would say one big problem to go. That problem is platinum. We simply have not been able to eliminate the need for platinum in fuel cells to extract the electricity from the reaction of hydrogen and oxygen.

      Ah, yes we have.

      --
      "You can see I know very little about pimp policy." George McGovern.
    5. Re:One big problem, not a zillion. by MJMullinII · · Score: 1

      Screw fuel cells. Just burn H2 instead of gasoline in a regular internal combustion engine. You could even convert a gas engine to a hydrogen engine with a kit.

      dom

      There's nothing fundamentally wrong with burning hydrogen directly in an Internal Combustion Engine, however pure hydrogen has a relatively low BTU content when burned, much lower than gasoline (the reason being that gasoline has the extra kick of several carbon atoms being burned while you're burning the hydrogen atoms).

      The end result of all this is that your car or truck would have far *less* power when burning pure hydrogen as it does burning gasoline.

      --
      "Don't be a martyr -- BE THE ONE WHO GOT AWAY!"
    6. Re:One big problem, not a zillion. by lgbr · · Score: 1

      So how come we haven't heard anything about this more recently than 2004? There hasn't been any news about 'nano-nickel' beyond that one press release. I haven't found any journal articles on it, either.

    7. Re:One big problem, not a zillion. by TheRaven64 · · Score: 1

      Two words: Technology transfer.

      Getting technology that works in the lab into a shipping product is expensive, but it's also difficult. Typically, the groups that are doing the early research are not able to commercially exploit it, and the groups in a position for commercial exploitation aren't doing the blue-sky research that leads to this kind of thing. Getting the two groups together and moving ideas in one direction (and ideally money in the other) is difficult.

      --
      I am TheRaven on Soylent News
    8. Re:One big problem, not a zillion. by Anonymous Coward · · Score: 0

      Materials advances that make high temperature fuel cells more practical are a potential way to sidestep this problem. Not that I claim to predict which advances will happen when, but it's not exactly as hopeless as finding more platinum. (Other possibilities include more effective, e.g., nanostructured low temperature electrode catalysts.)

      In fact, since high temperature fuel cells / batteries are occasionally used at the utility scale for short-term smoothing, one could consider it a scaling-down problem to be solved for those fuel cell chemistries. Again, not contradicting the point that there are hard problems to be solved to make fuel cells practical for mobile and residential applications.

  25. Re:First Post? by masshuu · · Score: 3, Informative

    +----------+
    |  PLEASE  |
    |  DO NOT  |
    | FEED THE |
    |  TROLLS  |
    +----------+
        |  |
        |  |
      .\|.||/..
    Is that a Troll, Offtopic, Informative, or Funny?

    if 30% of the people who read it think the FP is a troll, then its a troll
    so don't feed it plz.

    --
    O.o
  26. Chicken feathers - What can't they do? by bobdevine · · Score: 1

    Chicken feathers! They keep the bird comfy, hold hydrogen, and may replace silicon in microchips!

  27. One Last Time: by Ralph+Spoilsport · · Score: 1, Flamebait
    THERE WILL BE NO HYDROGEN ECONOMY!

    Like anyone, I want to see society continue as long as possible, but I have no illusions: the Hydrogen Economy is bullshit.

    Why? An abbreviation: EROEI.

    The sooner we forget about hydrogen and get down to actual solutions, the better.

    As I said - I'm good with industrialism, but I am NOT down with stupidity. The so-called hydrogen economy is a lie. It is not a solution except to the true believers. We need to make other arrangements, and money spent on hydrogen is money down a rat hole.

    RS

    --
    Shoes for Industry. Shoes for the Dead.
    1. Re:One Last Time: by muridae · · Score: 2, Insightful

      That's your argument against hydrogen fuel cells as an energy source? That, since the hydrogen fuel cell was discovered in 1839 it is obviously past any chance of improvement? In that case, we should have given up on fuel oils a long time ago. I mean, oil wells were dug in about 347 by the Chinese and it took till 1847 before someone successfully distilled crude into lantern oil. And EROEI? Complete bullshit metric for the situation. Yes, it is a great guide to the feasibility of a system. But we know that the EROEI for oil is going to go up, and possibly soon.

      The point of portable hydrogen fuel cells is not to convert every home in the world into it's own hydrogen production station. At the moment, that would have a really horrid energy return because of the current inefficiencies in solar panels. One of the goals is to replace the internal combustion engine because we know that, at some arguable point in the future, we will not be able to get oil cheaply any more. If we move the oil demand from the end users, where the engine is not all that damn efficient any ways, to the large power plants where the scale of the operations allows it to be used more efficiently than we have just bought time to continue finding a replacement source for oil

      Since you didn't feel like bringing facts to the party, allow me to do that for you. The average car requires around 20 to 200 kW to operate according to this physics book. Let's start at the low end, since the same site also says that a typical automobile only requires about 15kW to maintain a speed of 50 miles per hour. So, a 20kW engine would get a car slowly up to speed. How much would that engine cost at the absurdly high price of 73$ per kilowatt? 1460 bucks. And, a quick google search puts the price of a rebuilt combustion engine right in the same price range. Now, it would result in a slower accelerating vehicle, but that is tolerable for a technology that is still in it's relative infancy. After all, the model T's engine only produced around 15 kW. And that was, what, 86 years after the first internal combustion engine was made in 1823. How dare we push technology forwards, using concepts that were discovered decades ago. How could we ever think those technologies would mature.

      Now, before you think me all snark and no thought, I offer you this. I'll retract all of my statements if you can respond with facts, and without trite statements like "The so-called hydrogen economy is a lie." Of course the "so-called hydrogen economy" is a lie, that's why it's the "so-called" one. No more priming statements like "true believers", and then we'll talk.

    2. Re:One Last Time: by Ralph+Spoilsport · · Score: 1
      OK. Facts:

      1. EROEI on Oil has been declining steadily. In the 1920s it was up around 100:1. In 1990 it was down to about 20:1. It is now down around 10:1 or less (deep sea oil has an especially nasty return). for starters, Read the article on Wikipedia I linked to, the one you so blithely ignored without any supporting FACTS.

      2. EROEI on gas is also declining. In Canada, it is expected to hit 1:1 around 2014 (according to an article based on data from Jean Leherrere, an internationally renowned expert in oil and gas exploration. He was in charge of Total Canadaâ(TM)s exploration from 1966 to 1971. )

      3. You write: But we know that the EROEI for oil is going to go up, and possibly soon. and the fact is, no We Don't. In fact we know just the opposite is in effect. A recent chart based on recent data shows a dramatic collapse in EROEI of oil in the 2010 - 2020 range.

      4. You wrote: . At the moment, that would have a really horrid energy return because of the current inefficiencies in solar panels. Wrong it would have a horrible energy return because it TAKES MORE ENERGY to make Hydrogen than you can get from burning Hydrogen. This is called Thermodynamics. It's like gravity, only far less forgiving.

      5. Ultracapacitor technology from companies like eeStor are in the process of bringing a system that stores and expends electricity for a projected $40 per kW. The amount of energy that goes into building an ultracapacitor is high, but over a series of charges the EROEI goes into a high positive range. Even at 2:1 it would be vastly superior to hydrogen, which by definition can never be even 1:1.

      So, Hydrogen has crappy EROEI, oil's EROEI is declining, and there are other superior technologies available. Then there are the manifest problems with Hydrogen itself, such as:

      1. it hates being bottled. This is a well known problem - hydrogen atoms are the smallest and it is impossible to keep it bottled.

      2. It hates bottles. This is also a well know fact - over time hydrogen embrittles the material that holds it.

      3. It burns with an invisible flame, and it burns readily.

      4. to keep it at a pressure where it has an energy density that is of value to humans, it has to be kept at an extremely low temperature, making it more dangerous, less amenable to maintained capture (bottled), and this intense refrigeration (a few degrees above zeroK) is extremely energy intensive, reducing its EROEI even farther.

      I reiterate there will be no hydrogen economy. Hydrogen is a very poor and inferior choice for an energy carrier and a stupid choice for a fuel.

      I have responded with more facts than your argument merits.

      I do not do so to "make nice". The facts on hydrogen have been out for years, and as I noted, only "true believers" still buy into the mythology of the hydrogen economy.

      Unfortunately, slashdot has a large number of such people (as evidenced by the score to my original post) and this is not to slashdot's advantage, much less civilisation itself.

      If you want a primer on what is going on, go here and watch all the videos.

      RS

      --
      Shoes for Industry. Shoes for the Dead.
    3. Re:One Last Time: by muridae · · Score: 1

      Yes, the EROEI on oil has declined. That's because we are using so bloody much of it that the profit to be made on it is worth the effort to find more. As for point 3, the graph you say suggests that the EROEI will decrease, I hope you linked the wrong graph. That one suggests a sharp decrease in production, not cost or return on investment. A sharp decrease in production, while not meaning a change in how much oil we get for how much work, will mean a much higher cost to the consumer.

      Point 4, no shit?! I thought free energy actually worked?
      Alright, over that now. Oil is not free energy either; it takes a lot of energy to make it. I do not foresee some point in the future in which the production of oil from non-fossil sources will suddenly appear and drastically change the landscape of energy. It may, or it may be some other fuel source. But fossil fuel oil will run out at some point. At that point, what fuel do we switch to, pixie dust?

      Point 5, alright, so what about ultra caps? They store power, where does that power come from, and how efficient is it to turn back into motive force, if we are still just focusing on automobiles. And I can tell we are not arguing on a level field, because you just claimed that the caps store kW. They do not, they store kWh. The energy in a capacitor does not magically appear, it will come from some electrical source. And get unstuck from the bloody EROEI, nothing man made is going to get to 1:1, ever. That's the thermodynamics you are talking about. I'm sure you'll redirect this, and say that oil has a less than 1:1 energy investment, because it was made before humans were around or something. Or maybe the solar and geothermal energy that created the oil is free on the EROEI scale, in that case, let's make hydrogen with natural power sources. Tada!

      The reason hydrogen makes sense is simple, energy density. Since you like Wiki articles, try this one. Storing hydrogen in solid forms, not as a liquid but inside another matrix, has been a materials science goal for a lot of companies. Activated carbon came very close, and that was just from companies that happened to be playing with it already. The density per liter, as the controlling argument, is then a moot point. So is the "OMG, hydrogen burns!" stuff that we both know is crap. The super cap you linked to stores that energy at over 3 kV. Hydrogen burns, but a short circuit in a car with that could have potential (har-har) hazards.

      The reason you were modded to flame bait has little to do with your argument against hydrogen, I hope. I would hope that real reason is this incessant need to frame your questions so that the only right answer is your own. Of course the EROEI has declined since 1920, so it has for lots of stuff. Thermodynamics doesn't just apply to hydrogen production, it applies to everything. And oil has a limited supply, but I'll consent that hydrogen does as well. It just so happens that, after we run the hydrogen through a fuel cell, we can split it again with a bit of energy lost. But if you want to frame the whole thing with "true believers" and other buzz words to make the opposition look foolish, I suppose someone will just have to resort to calling you a hack, tin-foil hat wearer, or maybe just a shill for oil or super capacitor companies that haven't shown a real product. Not me, mind you, I'm trying to stay above that.
      Yes, I would rather have a basement loaded with a few super capacitors to store the energy from local power production, say solar or wind, for use when that source is not available, over a basement full of hydrogen tanks, but that is also what this discovery may change.. But for vehicles, sooner rather than later, we need something that isn't oil. Leave the oil for the things that have good efficiencies, like power plants. Not the rolling generators that have a very limited thermodynamic efficiency.

    4. Re:One Last Time: by Anonymous Coward · · Score: 0

      > the Hydrogen Economy is bullshit.

      Man can't fly.

      What hinders progress is not what we doubt; it is the falsehoods we know to be true.

    5. Re:One Last Time: by Ralph+Spoilsport · · Score: 1
      OK - I see you're "new at this", so I'll change tone and put my "professor hat" on.

      You wrote:
      Yes, the EROEI on oil has declined. That's because we are using so bloody much of it that the profit to be made on it is worth the effort to find more.

      No, that is not true. EROEI on oil has declined because we have found all the easy oil. The only stuff left is underneath the ocean or in some frozen wasteland or is locked up in bitumen in weak sand formations. It takes enormous amounts of energy to build an ocean platform, or drill in the arctic, or wash and process tar sands. THAT is why the EROEI on oil is declining and declining rapidly. When it hit 1:1 we will simply stop mining it as a fuel, and only bother with it to make plastics and other materials.

      I linked to that graph in point 3 because the article it is attached to talks about NET production of oil, and uses projected declines in EROEI as yet another attachment on production. I would recommend you read ,the article as well. It's not that long - a few pages.

      It works like this: If you use 1 barrel of oil to drill out 4 barrels of oil, your NET oil return is 3 barrels. You could then extrapolate the EROEI (due to losses along the way) at somewhere very close to 1:1.

      You wrote: Oil is not free energy either; it takes a lot of energy to make it.

      And it is taking more and more. It used to be 100:1, now it is down to about 10:1. This is still, pound for pound, superior to ANY formulation of hydrogen, because of the simple physical fact that hydrogen takes more energy to produce than it gives in return.

      This REMOVES hydrogen from the class of substances known as "FUEL". Fuel *brings* energy into a system. Oil is trapped solar energy from 100+ million years ago. Nuclear is trapped solar energy from a star that exploded billions of years ago, before our solar system was created. So, this "trapped" energy qualifies Thorium and Uranium as FUEL. This trapped energy value qualifies oil as FUEL. Hydrogen is not fuel. It is an energy carrier, and it is an extremely inferior carrier.

      To use hydrogen as a fuel, you have to first mine a hydrogen rich resource (like oil or natgas) and then process it to remove the hydrogen from its chemical bonds. Due to the nature of hydrogen, it bonds rather well, especially with oxygen and carbon (typically as bicarbonate HCO3, or methane CH4, or water H2O or some variation on those three, or in the extended molecular chains of petroleum.) Water is not the tightest hydrogen compound, and it is one of the more common. However, it takes more energy to break the water bond and store the hydrogen than you get from the hydrogen, even if you burn the hydrogen and recover 100% of its energy (which is impossible due to the second law of thermo). Also, note: breaking up natgas or petroleum into hydrogen produces (you guessed it...) CO2.

      Now, a battery can be charged DIRECTLY from any number of sources, and the loss in charging and discharging is VASTLY smaller than the loss used in burning hydrogen. Let's take 1w worth of hydrogen. It will take several watts of energy to make, store, and transport the hydrogen. And when you burn the hydrogen, you have to go through the whole ugly process again.

      With a battery, it will take MANY watts of energy to make the battery that expends the 1w of power, however, charging the battery can come from any number of sources. The number of cycles of recharge vary - from a relative few (hundreds) for NickelMetalHydrite to "arbitrarily many" with an ultracapacitor. And these batteries/capacitors/devices can be charged from anything that will spin the generator - solar, geothermal, wind, hydro, whatever. The amount of energy invested in them is high at first, but as they are repeatedly charged over time, their EROEI goes UP. Hydrogen remains the SAME - negative.

      Your final few lines betray your fundamental position:

      But for vehicles, sooner

      --
      Shoes for Industry. Shoes for the Dead.
    6. Re:One Last Time: by muridae · · Score: 1

      The more you clarify your position, the more you start to make sense. I told you, if you would just get off your damned moral high-horse, you would get a real discussion.

      First, EROEI. You are right. I thought you were arguing that the investment in oil was going to produce more in the coming years. This was because of your incessant ranting about it, and how that 'proved' hydrogen was inefficient. I misread your intent.

      Hydrogen from water has a theoretical EROEI of about 1:1.5625. That's from calculating the efficiency of cracking hydrogen from water via electrolysis, which is about 80%, and then the efficiency of fuel cells, which are also about 80% at the moment. In practice, it works out to about 1:2.22... Yes, hydrogen from fuel oils would be 'cheaper' in that regard, however the ease of production has to be considered. Electrolysis doesn't require a hugh plant, like cracking hydrocarbons does.

      Oil should be used for stuff like carbon fibre and high impact plastics - stuff that can be recycled relatively indefinitely.
      Also agreed. Strange what we can get past when you start talking instead of ranting. What I disagree with is the assertion that, because oil becomes more expensive, the personal vehicle culture is going to end. That is one of the things hydrogen fuel cells are good for, and fit in well with the distributed nature of small water-to-hydrogen electrolysis facilities. You are completely discounting the friction caused by society, and just hoping that it will end the fixation on cars. 5 years till I need to be a pedestrian? While I nearly am, living on a bus route that gets me most places and driving a 100mpg vehicle for the few things the bus won't get me to, I have trouble believing that anyone could think that the rest of the country (the USA, since you quoted Chris Martenson who was talking about USA oil use) would just give up their cars because of oil price increases. The last few years showed us that, even when prices were near 5$ a gallon, people kept driving. They pulled money out of other places in their budget, not away from their cars. Even at 10$, even at 20$ a gallon for gasoline, I do not think that people in the USA will give up their cars. The mass transit system blows in most towns, and the fabled migration back into city centers around core industries has not happened. If you ask people which they could afford, 25$ a gallon gas or to move closer to where they worked, I'm not sure they could answer you.
      That is why hydrogen, and other vehicle technologies, are worth the investment. Running the whole economy on hydrogen, not likely. But the article was about cars, not the whole bloody economy. Your link, the hydrogen economy is bullshit, focused on cars and why they should continue to use internal combustion engines. If I misconstrued your meaning, it was because your argument clouded the facts you were trying to present.

  28. Urban legend != actual facts!!!! by rts008 · · Score: 1, Informative

    Adam and Jamie tackled this one on Mythbusters.

    Using the same protocols as the 'official' testing, they found that thawed chickens busted windscreens as effectively as thawed chickens.(episode 9, IIRC...it's on youtube.com)

    The same principles apply when using a steel cutting tool that cuts the steel with a stream of water. Yes, they use water, not ice to cut the steel.

    Physics: learn it, use it, benefit from it. (hint: application of kinetic energy would be a starting point to understanding this)

    [citation needed]
    Water Jet Cutter:

    A water jet cutter is a tool capable of slicing into metal or other materials using a jet of water at high velocity and pressure,[...]Water jet cuts are not typically limited by the thickness of the material, and are capable of cutting materials over eighteen inches (45 cm) thick.

    NASA Chicken Gun:

    There is a longstanding urban legend about the gun being loaned to some other agency, who fired frozen chickens instead of thawed chickens.[1]

    Urban Legend:

    In an issue of Meat & Poultry magazine, editors quoted from "Feathers," the publication of the California Poultry Industry Federation, telling the following story:

    The US Federal Aviation Administration has a unique device for testing the strength of windshields on airplanes. The device is a gun that launches a dead chicken at a plane's windshield at approximately the speed the plane flies.

    The theory is that if the windshield doesn't crack from the carcass impact, it'll survive a real collision with a bird during flight.

    It seems the British were very interested in this and wanted to test a windshield on a brand new, speedy locomotive they're developing.

    They borrowed FAA's chicken launcher, loaded the chicken and fired.

    The ballistic chicken shattered the windshield, broke the engineer's chair and embedded itself in the back wall of the engine's cab. The British were stunned and asked the FAA to recheck the test to see if everything was done correctly.

    The FAA reviewed the test thoroughly and had one recommendation:

    "Use a thawed chicken."

    Note:(from the NASA Chicken Gun wiki link above)

    The 1970s test of the British High Speed Train windscreens used the Farnborough chicken gun and expertise, not NASA based expertise, busting the Mythbusters myth relating to NASA telling the British "defrost the chickens first".

    --
    Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    1. Re:Urban legend != actual facts!!!! by madsenj37 · · Score: 1

      ...they found that thawed chickens busted windscreens as effectively as thawed chickens.

      Clarification please. Unless of course you meant to say that a=a.

      --
      Choosing the lesser of two evils is a choice for evil.
    2. Re:Urban legend != actual facts!!!! by Kratisto · · Score: 2, Funny

      He didn't mean to say thawed chickens twice. I think he meant to say that thawed chickens busted windscreens as well as thawed roosters.

      --
      Conscience is the inner voice which warns us that someone may be looking.
    3. Re:Urban legend != actual facts!!!! by hazem · · Score: 4, Informative

      Physics: learn it, use it, benefit from it. (hint: application of kinetic energy would be a starting point to understanding this)

      I don't think it's as simple as that.

      I'm no physicist but I would suspect that there is a great deal of difference between firing a frozen chicken and a thawed chicken at something. With enough velocity, of course, the differences in outcome will not be very much. But if you give the chickens progressively less velocity at impact, I think you'd find the frozen chickens still penetrate the glass at some levels of kinetic energy where the thawed chickens would not.

      My reasoning for this has to do with differences in how the kinetic energy of the chicken is imparted to the windscreen, both through time as well as the area of impact.

      The body of frozen chicken will "give" much less than the body of a thawed chicken, so the windscreen has a much shorter period of time to absorb kinetic energy of the chicken. Also, due to that lack of give, the kinetic energy of the chicken's body will be spread over a larger area of the windscreen.

      If I drop a 5 kg bag of laundry on my car's windshield from my roof, it will bounce off the windshield and leave it intact. If I drop a 5 kg pipe wrench from the same height, it will most likely shatter the windshield. It's the same idea. With the bag of laundry, the windshield gets more time and more area to absorb the kinetic energy, with the wrench, not as much. Though maybe if I dropped both from a 10 story building, the windshield might not survive it either way.

      This isn't simply a matter of an application of equal amounts of kinetic energy. There are a lot of things going on at the point and time of impact that can alter the outcomes... within a certain range of energies.

    4. Re:Urban legend != actual facts!!!! by MobileTatsu-NJG · · Score: 4, Informative

      Adam and Jamie tackled this one on Mythbusters.

      Using the same protocols as the 'official' testing, they found that thawed chickens busted windscreens as effectively as thawed chickens.

      Wrong.

      They revisited the myth and proved, beyond a doubt, that frozen chickens cause more damage.

      To be fair, though, they went over that myth like three times before they finally came up with a test that proved it once and for all.

      --

      "I like to lick butts!" by MobileTatsu-NJG (#32700246) (Score:5, Informative)

    5. Re:Urban legend != actual facts!!!! by danbert8 · · Score: 4, Funny

      Adam and Jamie revisited that one after they found that the windshield they used wasn't rated for bird strikes. After the revisit, they did prove that thawed chickens did not penetrate as far as frozen ones. See episode 14 from the 2004 season.

      --
      Yes it's an anecdote! Were you expecting original research in a Slashdot comment?
    6. Re:Urban legend != actual facts!!!! by Waffle+Iron · · Score: 1

      Physics: learn it, use it, benefit from it. (hint: application of kinetic energy would be a starting point to understanding this)

      Ok, professor. We'll run an experiment to test this. Assistants will drop water balloons onto each of our heads from a height of 8 meters. I'll test the room temperature balloons, and you can test the frozen ones.

    7. Re:Urban legend != actual facts!!!! by Anonymous Coward · · Score: 0

      They should have seen it on the metal plate test though. In the high speed photography, adam was seen to comment, "it looks like it hit with the same force, just spread out a little more when thawed." Or something to that effect.

      Well, duh. Of course it's the same force, if the time of impact takes the same interval. But, P=F/A. That should have launched the myth squarely into the "we didn't test this enough to say anything yet" territory, since that's exactly the principle which the "life hammer" uses to un-trap you from your car.

    8. Re:Urban legend != actual facts!!!! by Nikker · · Score: 1

      Also since a frozen (anything) will be able to maintain a higher velocity due to the additional weight of the water as well as aerodynamics and reduced friction of the ice over the air. Keeping the center of mass stationary goes along way of increasing momentum which a frozen object is much more efficient at maintaining.

      --
      A loop, by its nature, continues. If that didn't make sense, start reading this sentence again.
    9. Re:Urban legend != actual facts!!!! by rts008 · · Score: 2, Funny

      D'oh!
      Should have been

      thawed chickens busted the windscreens as effecively as frozen chickens.

      Good catch, and thanks for pointing out the fowl up!

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    10. Re:Urban legend != actual facts!!!! by rts008 · · Score: 1

      Ah, but they simulated a 'bird impact resistant'(FAA spec) windsreen with 12 panes of ordinary glass stacked together. Still dubious, as it is not the same things being compared.
      I don't see this as valid 'proof' until they redo it with FAA certified windscreens that meet spec.'s for being bird impact resistant.

      I never stated that a frozen chicken would not do more damage. I only said that under the testing parameters they used, thawed or frozen made no real difference...both 'holed' the windscreen.

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    11. Re:Urban legend != actual facts!!!! by rts008 · · Score: 1

      GAH!, left off the closing tag for bold! Only the word 'simulated' should have been bold.

      Sorry.

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    12. Re:Urban legend != actual facts!!!! by PitaBred · · Score: 4, Informative

      It's called "impulse". Impulse is how quickly the force is transferred between the objects, which is faster with a solid (ice) chicken than with a thawed one. And then you have the force per area, which is larger with a thawed chicken because it deforms on contact whereas a frozen chicken concentrates almost all the force on a small area.

    13. Re:Urban legend != actual facts!!!! by raynet · · Score: 3, Interesting

      I recall that they revisited the myth couple times and on the last time they did find a difference of penetrating power between thawed and frozen chickens.

      --
      - Raynet --> .
    14. Re:Urban legend != actual facts!!!! by rts008 · · Score: 1

      What's your point?
      The kinetic energy will be the same for both: equal velocities and equal mass= equal kinetic energy.

      No experiment required, as it is a well known area of physics.
      Kinetic Energy= 1/2 of the mass, multiplied by the velocity squared.

      This is Junior High School stuff.

      Your attempt to strike back at me because you did not care for what I said is a pathetic excuse for a rebuttal, out of context, and leaves me truly and totally unimpressed.
      Better luck next time.
      Oh, and have a nice day.

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    15. Re:Urban legend != actual facts!!!! by The+End+Of+Days · · Score: 1

      Yeah, and just to keep the math simple, we'll assume that the chickens are perfect spheres.

    16. Re:Urban legend != actual facts!!!! by Anonymous Coward · · Score: 0

      The physics you're looking for here is impulse, specifically, the change in p = mv over time. P is momentum, which begins changing from the moment of impact. The longer the impulse (projectile's contact with another object), the more gradually this object comes to rest. Your pipe wrench wants to bounce off of your car because of the lack of "give"/time in contact with your car, while your laundry bag is in contact with the car for much longer before coming to rest, thereby not breaking your windshield.

      This also happens to be the same reason that you have to follow through on your swing while hitting a baseball or tennis ball or whathaveyou to get the longest distance.

    17. Re:Urban legend != actual facts!!!! by drsquare · · Score: 1

      It's not about kinetic energy it's about impact. This is junior high school stuff...

    18. Re:Urban legend != actual facts!!!! by Anonymous Coward · · Score: 0

      High school physics, faggot... You failed it.

    19. Re:Urban legend != actual facts!!!! by Anonymous Coward · · Score: 0

      Preview often, preview early...

    20. Re:Urban legend != actual facts!!!! by Anonymous Coward · · Score: 0

      Oh, so they repeat the experiment until the results fits their idea of a 'correct result'?

    21. Re:Urban legend != actual facts!!!! by raynet · · Score: 3, Informative

      Noh, they repeated the experiment until they didn't make any mistakes, eg. in the first episode they used windscreen that wasn't rated to be bird strike resistant.

      --
      - Raynet --> .
    22. Re:Urban legend != actual facts!!!! by Canazza · · Score: 1

      you do know that a frozen chicken isn't bathed in water right. It's the water IN the chicken that's frozen, and that when it's thawed the water is still there. There would be no weight difference due to the water being frozen

      --
      It pays to be obvious, especially if you have a reputation for being subtle.
    23. Re:Urban legend != actual facts!!!! by rts008 · · Score: 1

      Okay, to take it even further out of context to humour you:
      Define impact for this inane discussion.

      If you are defining impact as the 'ouch' factor of getting hit in the head with a water balloon compared to an ice balloon, then it still does not matter to me.[1]

      Assuming a water balloon consisting as a balloon containing one gallon(US) of water= 8 pounds @ 231 cubic inches(assuming 'standard conditions' as established for US weights and Measures), and further assuming an ice balloon made from a water balloon containing one gallon of water(as above), then frozen...the only change would be the cubic inches, as water expands when it freezes.
      At a drop of 8 feet(as suggested by the post I replied to), the increased surface area due to the expanded cubic inch volume, thus increased aerodynamic drag, would be immaterial to the reasonable calculations of kinetic energy for this experiment.

      [1]
      Back to the ouch factor.
      My skull has been documented in accidents/mishaps to exceed all OSHA requirements and testing spec.'s for a construction site hardhat....many times during my life.
      (I can recall off the top of my head[haha]:
      two baseball bats being broken in two over my head...not even a headache either time (Louisville Slugger(tm) #32, and the same but #34), three pool sticks, knocked 28 feet airborne by a fast swinging steel pipe(got 16 'stitches' above my left eyebrow on that)...again, not even a headache. The same week, was kicked in the forehead with both hind hooves by an 800 lb. filly..going through a metal barnwall, two supporting 2x4's, and knocking over a stack of 30 bales of hay stored in the barn. Again, not even a headache...just two ruptured sutures. I have routinely broken cement blocks with my head at martial arts competitions/belt qualifications.

      I might not even notice the 'ice balloon' falling from 8 feet, as that would be insanely anticlimactic for a lot of 'hard object head impact' incidents I have experienced without any fractures, lumps, bumps, or even headaches. You would just end up with a cracked ice balloon, most likely. At worse, I might require two or three sutures...after several hundred, what's a few more?

      I would probably be more annoyed by the water balloon bursting on me, truth be known.

      Again, what's your point here?
      I still remain unimpressed, and wonder what your trying to achieve here. (hint: see my sig)

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    24. Re:Urban legend != actual facts!!!! by Waffle+Iron · · Score: 2, Funny

      I said 8 meters, Einstein.

      I think that all your past head trauma may have affected you more than you realize.

    25. Re:Urban legend != actual facts!!!! by TheRaven64 · · Score: 1

      I'm not sure where that version of the story came from. I briefly worked at DERA Farnborough and was told the story there when I visited the wind tunnel (at the time, the biggest in Europe). The chicken was used to test jet engines against bird strike, not windscreens. The freezing made a difference because each blade of the turbine hit and shredded the chicken a little in the defrosted version, but just deformed when it hit the ice. I don't recall which company is reported to have tried with frozen chickens. Rolls Royce was one of the two involved, but I can't remember whether they were the ones giving or receiving the advice.

      --
      I am TheRaven on Soylent News
    26. Re:Urban legend != actual facts!!!! by TheRaven64 · · Score: 3, Insightful

      If this is what they teach you in physics then I'm amazed your country has any engineers. It's not just a question of kinetic energy, it's a question of impulse and of elasticity. A frozen chicken is an (almost) inelastic object. A defrosted chicken is not. When a defrosted chicken hits an object, the chicken deforms on impact. The impulse is transferred over the time it takes for the chicken to deform. A frozen chicken will also deform very slightly, but it's almost instantaneous and so the energy will be transferred in a much shorter time. If the frozen chicken deforms for one millisecond and the non-frozen one deforms for two milliseconds then the amount of energy that the windscreen needs to be able to dissipate per unit time is half as much.

      There's a simple way you can demonstrate this. First, punch a foam bag as hard as you can. Then punch a concrete wall equally hard. The foam bag deforms as you hit it, while the concrete wall does not. In both cases, you are transferring the same amount of kinetic energy, dissipating it as heat and sound through your arm and the surface, but one of these will hurt a lot more than the other.

      Oh, and when you are so obviously wrong that a trivial experiment can demonstrate it, I suggest you be a little less patronising.

      --
      I am TheRaven on Soylent News
    27. Re:Urban legend != actual facts!!!! by Painted · · Score: 1

      Superman, is that you?

      --
      http://marsandmore.com - Posters of space, spacecraft, and astronomy.
    28. Re:Urban legend != actual facts!!!! by Minwee · · Score: 1

      Using the same protocols as the 'official' testing, they found that thawed chickens busted windscreens as effectively as thawed chickens.

      Wrong.

      I find that hard to believe. Are you trying to say that there is a significant difference between thawed chickens and thawed chickens?

    29. Re:Urban legend != actual facts!!!! by Hatta · · Score: 1

      Well, look at their experimental design:

      Chicken gun: this was the main focus of the episode, if only because they still had trouble busting this one. It was also the only busting with interesting results. Instead of doing what I thought would be the obvious redo, which would be to get bird-impact-rated windshields for airplanes to test (the major mistake from the first test), they built large blocks of foam to launch the chickens into. This was a mistake as they couldn't get any reliable results out of the blocks. On their next attempt, they used twelve sheets of glass stacked on top of each other. The thawed chicken shattered about 2-3 panes on impact. The frozen chicken broke straight through all twelve, leaving a nice circular hole.
      Annotated Mythbusters

      They called this one wrong. They only found a difference between the frozen and thawed chicken once the chicken had been slowed down by a couple panes of glass. When flying fast enough, there's no difference between a thawed and frozen chicken, the same way there's no difference between landing on concrete and water when you fall from high enough.

      --
      Give me Classic Slashdot or give me death!
    30. Re:Urban legend != actual facts!!!! by Hatta · · Score: 1

      After the revisit, they did prove that thawed chickens did not penetrate as far as frozen ones.

      Which means nothing. When they go through the first plate of glass, they are moving at a high rate of speed, which doesn't give the thawed chicken time to deform, and they both do the same amount of damage, and get slowed down a little.

      Each plate of glass will slow the chickens down a little, eventually giving the thawed chicken time to deform and absorb some of the force. The fact that the thawed chicken couldn't break the last panes of glass while moving slowly has no bearing on the force it imparts when moving at a high rate of speed.

      --
      Give me Classic Slashdot or give me death!
    31. Re:Urban legend != actual facts!!!! by Anonymous Coward · · Score: 0

      Wow if you really can't tell the difference between an 8 pound balloon of water landing on your head and an 8 pound ice ball in a balloon, then I think you really need your head examined.

      Maybe you already have brain damage.

    32. Re:Urban legend != actual facts!!!! by Xerolooper · · Score: 1

      They called this one wrong. Because they are idiots and almost always call them wrong. After a poorly conceived and executed "test."

      There fixed that for ya. That said, I still like to watch them blow stuff up. As well as argue incessantly with my friends over what they did wrong.

      --
      "The stupid neither forgive nor forget; the naive forgive and forget; the wise forgive but do not forget." -Thomas Szasz
    33. Re:Urban legend != actual facts!!!! by raynet · · Score: 1

      I might be remembering wrong, but I thought they shot at the same velocity as they do in the real tests and the thawed chicken only broke couple panes of glass whereas the frozen went straight through. That would make the myth confirmed, though they listed it as plausable as they couldn't confirm if the myth actually happened.

      And remember, falling from high enough doesn't mean one dies, many people have survived falls from altitudes several kilometers.

      --
      - Raynet --> .
    34. Re:Urban legend != actual facts!!!! by Hatta · · Score: 1

      I might be remembering wrong, but I thought they shot at the same velocity as they do in the real tests and the thawed chicken only broke couple panes of glass whereas the frozen went straight through.

      Think about this. They were both traveling at the same high speed when they hit the first pane. That first pane slowed the chickens down. When they reached the 2nd pane, they were traveling slowly. That a thawed chicken moving at a slow speed is less destructive than a frozen chicken is uncontroversial, and entirely irrelevant to the question of what happens at a high speed.

      And remember, falling from high enough doesn't mean one dies, many people have survived falls from altitudes several kilometers

      Of course. I'm just saying that falling on water and falling on concrete are effectively the same when you're traveling near terminal velocity.

      --
      Give me Classic Slashdot or give me death!
    35. Re:Urban legend != actual facts!!!! by Dogtanian · · Score: 1

      Yeah, and just to keep the math simple, we'll assume that the chickens are perfect spheres.

      Can we assume that they're moving in simple harmonic motion?

      --
      "Slashdot - News and Chat Sites Deviant". (Click "homepage" link above for details).
    36. Re:Urban legend != actual facts!!!! by MobileTatsu-NJG · · Score: 1

      No, I'm saying they proved there's a significant difference between thawed and thawed chickens. ;D

      --

      "I like to lick butts!" by MobileTatsu-NJG (#32700246) (Score:5, Informative)

    37. Re:Urban legend != actual facts!!!! by hazem · · Score: 1

      The physics you're looking for here is impulse, specifically, the change in p = mv over time. ...
      This also happens to be the same reason that you have to follow through on your swing while hitting a baseball or tennis ball or whathaveyou to get the longest distance.

      Thanks! The example I thought of first was the PLF (Parachute Landing Fall) where a military paratrooper is supposed to land in such a way that the impact with the ground is spread along the parachutist's body. http://en.wikipedia.org/wiki/Parachute_Landing_Fall It's an easy example from my own life... and when I could actually pull one off, the landing WAS a lot better.

    38. Re:Urban legend != actual facts!!!! by danbert8 · · Score: 1

      The problem is not the amount of force imparted. There are two failure options:
      1. The stress exceeds what the material can bear which causes it to crack.
      2. The impulse exceeds what the material can bear which causes it to shatter.

      The first option is similar for the thawed and frozen chickens. The thawed chicken will spread out more imparting slightly less stress over the glass, but you can tell from the high speed that this wasn't the failure method.

      The second option is what matters more for glass. It's not the stress (or force) you impart, it's how fast that stress is applied (called impulse). The glass cannot transfer the load fast enough which causes the material to shatter. In this case, the frozen chicken is in contact with the glass a much shorter time than the thawed chicken (because the frozen chicken will stay intact). Thus the impulse is much higher. For a physics explaination, try hitting yourself on the head with two bats, one metal and one wood. If the wood one breaks at the same speed as the metal one stays intact, the metal one will exert the same force as the wood on initial contact, but the wood will exert much less impulse.

      --
      Yes it's an anecdote! Were you expecting original research in a Slashdot comment?
    39. Re:Urban legend != actual facts!!!! by virtue3 · · Score: 1

      Christ I was wondering if anyone else fucking realized that. It's all a matter of inelastic vs elastic collisions (as these are the only things CHANGING in the difference between the chicken being frozen vs unfrozen), and the amount of kinetic energy lost in the collision. There's a fucking reason we fire bullets and not nerf darts out of guns meant to kill people.

      When you have an unfrozen chicken it is definitely going to be much more elastic and absorb significantly more of the impact. Wheras a frozen chicken will be wholy unforgiving.

      This is evidenced from when you "pack" snowballs and when you just use loose powder. Ice balls hurt like a bitch and are significantly more deadly than a loose powder ball. (same mass, relatively same velocity, different densities)

    40. Re:Urban legend != actual facts!!!! by Anonymous Coward · · Score: 0

      This is neither KE nor impulse. Furthermore, impulse doesn't have to do with how quickly force is transferred. It is the integral of the force with respect to time.

      Very simply, things break because of stress. Stress is force divided by area. Decrease the force or increase the area and it's less likely to break. The thawed chicken has more contact area, and it decelerates over a greater period of time so it has lower peak forces. The same applies for the pipe wrench vs. laundry example.

  29. Re:First Post? by Anonymous Coward · · Score: 0

    And you should be modded troll for that trollish sig.

  30. Gimme an H! by SuperKendall · · Score: 1

    Where is all this hypothetical hydrogen going to come from?

    Thirsty?

    --
    "There is more worth loving than we have strength to love." - Brian Jay Stanley
  31. Re:First Post? by masshuu · · Score: 1

    its not a troll, its just the truth.
    can you not handle the truth

    --
    O.o
  32. zero uses? insulation, fiberglass substitute... by Anonymous Coward · · Score: 1, Informative

    paper, fodder .... the list doesn't end

  33. More info by Bogtha · · Score: 1

    There's an informative lecture on this technology here.

    --
    Bogtha Bogtha Bogtha
  34. Billy Mays here... by olsmeister · · Score: 1

    Billy Mays here for hydrogen chicken feathers! Nanotubes are for rubes, we have the awesome power of dinosaur evolution built in!

    1. Re:Billy Mays here... by Anonymous Coward · · Score: 0

      Too soon.

    2. Re:Billy Mays here... by Anonymous Coward · · Score: 0

      Did you post that before you knew he died, or afterwards?

  35. I think it has been demonstrated that... by MJMullinII · · Score: 4, Informative

    the best Hydrogen storage is the Hydrocarbon.

    What most people don't seem to understand is that the environmental problem with burning hydrocarbons (gasoline, diesel, etc.) *is not* with the act itself. My point being that the principle of the Internal Combustion Engine isn't the problem.

    The problem is where the hydrocarbons come from. Right now, the feedstock for hydrocarbon based fuel production is petroleum. That petroleum is happy underground and would stay that way virtually indefinitely *if* we didn't pump it to the surface.

    That brings us to the problem: When we burn hydrocarbon fuels based on petroleum, we are adding carbon to the atmosphere that was locked underground. However, *if* we burn hydrocarbon based fuels that are synthetically created using (among other things) recaptured Carbon from the air, then we are *not* adding to the CO2 load of the planet and therefore can focus on more immediate environmental problems.

    It's going to happen sooner or later. However much petroleum there is in the ground (20 years or 200), it is for sure and certain that *one* day it will run out. We're eventually going to have no choice but to switch to a hydrogen economy and I've seen *nothing* on the drawing board (even far flung into the future) that matches the energy potential of hydrocarbons.

    --
    "Don't be a martyr -- BE THE ONE WHO GOT AWAY!"
    1. Re:I think it has been demonstrated that... by Anonymous Coward · · Score: 1, Insightful

      Thank you Captain Obvious.

    2. Re:I think it has been demonstrated that... by MJMullinII · · Score: 1

      My point was that we need to stop wasting time and money searching for some type of hydrogen storage system when it is obvious that the cost of *any* new system will cost trillions and will never be supported politically in the time frames needed.

      My point is that it will cost at least as much (and possibly more) to attempt to convert every ICE powered vehicle to electric or hydrogen fuel cell power as it would be to simply setup Synthetic Fuel Plants *right now* and start feeding our gas tanks with Synthetic Gasoline/Diesel/Jet Fuel, etc.

      By producing hydrogen on the coasts (the cleanest way would be using Nuclear, however even using coal and natural gas fired energy would be more efficient than the current trend of burning petroleum) and combining that with carbon collected from the air, we could begin to take care of two problems at the same time.

      First, we would make hydrocarbon based fuels carbon-neutral *and* start to wean ourselves away from our dependence on foreign oil.

      --
      "Don't be a martyr -- BE THE ONE WHO GOT AWAY!"
    3. Re:I think it has been demonstrated that... by flyingrobots · · Score: 1

      What if the earth was making hydrocarbons in abundance? I think it is referred to as a-biotic production. There is a TON of heat, and pressure below the crust of the earth. It makes sense to me that this could be occurring. What going to happen when we figure out that we aren't going to run out of oil? I think there was a paper published by Western WA University Spokane, but I'm not sure where to find it today. Kevin

    4. Re:I think it has been demonstrated that... by mprinkey · · Score: 1

      Your point about carbon neutrality is valid, but there is a reason for the pursuit of a safe, inexpensive hydrogen storage system. The PEM fuel cells that car manufacturers have been developing do not respond well to exposure to any hydrocarbon (except methanol). The short story is that carbon compounds foul the catalysts and ruin the fuel cell performance. For these systems, it would be ideal to feed them pure hydrogen from a storage tank. The other alternative is reform some hydrocarbon into hydrogen gas on the fly. That requires more energy and more equipment (more weight both for the reformer and for the carbon in the fuel that can't be used) and ultimate impacts the operational efficiency of the car. Pure hydrogen fuel makes the fuel cell system much lighter, cheaper, and easier to design and manufacture. The production of the pure H2 can be moved off to stationary reformer/production facilities.

      So this is great news. I have long been skeptical about the feasibility of fuel cell cars with hydrogen storage being one of my main concerns. This new approach has the potential to remove it from my list. Of course, you still have the hydrogen production problem (what is the end-to-end efficiency?), the freezing problem (PEMs have hydrated membranes and water freezes), and the catalyst problem (how much platinum and palladium is there in the world?)

    5. Re:I think it has been demonstrated that... by MJMullinII · · Score: 1

      What if the earth was making hydrocarbons in abundance?

      I think it is referred to as a-biotic production. There is a TON of heat, and pressure below the crust of the earth. It makes sense to me that this could be occurring. What going to happen when we figure out that we aren't going to run out of oil?

      I think there was a paper published by Western WA University Spokane, but I'm not sure where to find it today.

      Kevin

      You're talking about the theory of Abiogenic petroleum.

      http://en.wikipedia.org/wiki/Abiogenic_petroleum_origin

      Unfortunately, I'm afraid there's little evidence to support it.

      --
      "Don't be a martyr -- BE THE ONE WHO GOT AWAY!"
    6. Re:I think it has been demonstrated that... by MJMullinII · · Score: 1

      Your point about carbon neutrality is valid, but there is a reason for the pursuit of a safe, inexpensive hydrogen storage system. The PEM fuel cells that car manufacturers have been developing do not respond well to exposure to any hydrocarbon (except methanol). The short story is that carbon compounds foul the catalysts and ruin the fuel cell performance. For these systems, it would be ideal to feed them pure hydrogen from a storage tank. The other alternative is reform some hydrocarbon into hydrogen gas on the fly. That requires more energy and more equipment (more weight both for the reformer and for the carbon in the fuel that can't be used) and ultimate impacts the operational efficiency of the car. Pure hydrogen fuel makes the fuel cell system much lighter, cheaper, and easier to design and manufacture. The production of the pure H2 can be moved off to stationary reformer/production facilities.

      So this is great news. I have long been skeptical about the feasibility of fuel cell cars with hydrogen storage being one of my main concerns. This new approach has the potential to remove it from my list. Of course, you still have the hydrogen production problem (what is the end-to-end efficiency?), the freezing problem (PEMs have hydrated membranes and water freezes), and the catalyst problem (how much platinum and palladium is there in the world?)

      But my entire point was that switching to fuel cell vehicles (even if all the other problems are solved) will cost as much, if not more, than simply solving the fuel problem with the ICE.

      Because, as I said before, the problem is with the fuel, not the concept of internal combustion.

      Now, there is something to be said for electric vehicles (which fuel cells would power). They are far more efficient than ICEs (as diesel-electric locomotives and current gas-electric hybrids show), but we can solve our environmental and defense needs without reinventing the wheel.

      --
      "Don't be a martyr -- BE THE ONE WHO GOT AWAY!"
    7. Re:I think it has been demonstrated that... by Anonymous Coward · · Score: 0

      Or what about if we synthetically create a hyrdrocarbon based fuel that doesn't have any Carbon in it!

      Wait...

    8. Re:I think it has been demonstrated that... by Anonymous Coward · · Score: 0

      Something's just occurred to me. Given a fixed amount of petroleum reserves on the planet, the net effect on the climate resulting from using it all for fuel could very well be the same whether it gets used sooner or later. In that case, the question of what action should be taken could best be answered only after the costs for releasing specific quantities of carbon into the atmosphere are known. I realize that the climate is a complex system and that it may not be possible to make these kind of predictions with reasonable certainty. But consider:

      either 1) There is a certain maximum level of carbon release that we would be wise to never reach, because the negative effects of global warming (or whatever) would simply be too great. Fossil fuels will have to be abandoned completely at some point.

      or 2) Burning all the cheaply available fossil fuels would have a certain environmental effect X, but steps could be taken to mitigate this effect. And, the benefit of exploiting the available fossil fuels exceeds the cost of "cleaning up the mess" (for instance, relocating people from flooded areas if sea levels rise.) In this case, worrying about carbon footprints will have been for naught, because once the oil is used all the carbon will have been emitted anyway.

    9. Re:I think it has been demonstrated that... by MJMullinII · · Score: 2, Insightful

      Something's just occurred to me. Given a fixed amount of petroleum reserves on the planet, the net effect on the climate resulting from using it all for fuel could very well be the same whether it gets used sooner or later. In that case, the question of what action should be taken could best be answered only after the costs for releasing specific quantities of carbon into the atmosphere are known. I realize that the climate is a complex system and that it may not be possible to make these kind of predictions with reasonable certainty. But consider:

      either 1) There is a certain maximum level of carbon release that we would be wise to never reach, because the negative effects of global warming (or whatever) would simply be too great. Fossil fuels will have to be abandoned completely at some point.

      or 2) Burning all the cheaply available fossil fuels would have a certain environmental effect X, but steps could be taken to mitigate this effect. And, the benefit of exploiting the available fossil fuels exceeds the cost of "cleaning up the mess" (for instance, relocating people from flooded areas if sea levels rise.) In this case, worrying about carbon footprints will have been for naught, because once the oil is used all the carbon will have been emitted anyway.

      Except we have no idea if we'd even be able to "clean up the mess", much less how much it might cost.

      If the American bread basket, for example, we to be made unsuitable for farming after a period of warming, hundreds of millions (if not billions) of people would die from starvation. If would make the current rate of hunger look like a picnic.

      All the money in the world couldn't fix that, I'm afraid.

      --
      "Don't be a martyr -- BE THE ONE WHO GOT AWAY!"
    10. Re:I think it has been demonstrated that... by Muad'Dave · · Score: 1

      ... the best Hydrogen storage is the Hydrocarbon.

      I disagree. The best Hydrogen storage is the Carbohydrate. Preferably one that is Maple-flavored.

      --
      Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.
    11. Re:I think it has been demonstrated that... by Anonymous Coward · · Score: 0

      No, no, Thank You, Captain Assumption.

  36. I'm afraid that most won't have the Foggiest idea by Anonymous Coward · · Score: 1, Funny

    of what you're talking about. ;-)

  37. Re:First Post? by Anonymous Coward · · Score: 0

    I dont play world of warcraft and I get laid reguarly. That post is also a troll.

  38. A couple of things... by StCredZero · · Score: 2, Informative

    The last...well, hydrogen can trivially be made by running a current through water.

    Basic electrolysis is pretty lossy up-front. It makes batteries look *good*. (41% efficient for systems running at 100 celsius. 64% for 850 celsuis. Not sure that's suitable for consumer equipment!)

    If you've got a photovoltaic array on your roof, you can analyze water and get essentially free hydrogen.

    It's electrolyze, not analyze. Also, widely manufactured photovoltaics are still expensive.

    While we'll never see cars powered in "real time" by the sun, it's quite easy make in a couple days as much hydrogen as you'll need to power your car for a week of normal driving.

    I think the photovoltaics you'd need to recharge a car in a couple of days are going to be expensive. Let's say your family drives one half hour a day. This is pretty reasonable. A 15 minute commute during the weekdays and some chores on the weekend. To get yourself a reasonable stack of Thundersky Lithium Ion Phosphate batteries, you'd need to buy something like 30 of them, which is the size of the stack for Kearon's electric Ford Capri. This gets the stack up to 96 volts and can supposedly push the Capri 90 km or about 55 miles. It's also 8640 watt-hours. But remember, your elecrolysis is only 41% efficient, which means you have to produce 21073 watt-hours. There's going to be about 5 hours of peak sunlight per day, so let's just say the two days recharging is equivalent to 15 peak hours. This works out to about 1400 watts of solar panels. That's about $10,000 of new solar panels for one 55 mile charge completed in two days. We need about 210 miles range for the 30 minutes of driving a day. For that, you'd need something like $35,000 of solar panels.

    So our back of the envelope calcs, with an optimistically small car and very modest driving distances with an unreasonable assumption of EV like efficiency, still gives us a pretty hurtful dollar figure. And this is just the solar panels. The electrolyzer is going to cost money as well. However, if you take the solar cells out of the equation, this starts to look good for us. Why? Because much of the cost of an electric vehicle is in the batteries. If we can electrolyze and burn our own hydrogen from a tank that actually fits in a car, we can still come out ahead, assuming the storage systems don't wear out.

    http://www.evcapri.com/

    1. Re:A couple of things... by Nikker · · Score: 1

      41% efficient for systems running at 100 celsius. 64% for 850 celsuis . Not sure that's suitable for consumer equipment!

      The combustion chamber in your engine is around 1000 - 1800 Celsius .

      --
      A loop, by its nature, continues. If that didn't make sense, start reading this sentence again.
    2. Re:A couple of things... by Anonymous Coward · · Score: 0

      Wouldn't it be more efficient to just inject the water into the fuel stream than separating the hydrogen and doing whatever with it?

    3. Re:A couple of things... by Khyber · · Score: 1

      No, it would likely be easier to run the water through the cooling system of the engine after the engine heated it up and then pump it into the injection system - mind you this is about the only place in the entire vehicle you're likely to get the energy required to separate hydrogen and oxygen at any good rate without running a second alternator off of the engine and dedicating it to mass hydrolysis.

      Of course, this means you'd run out of water for cooling the engine sooner or later, or needing a much larger water tank added. I think I'd rather need more fuel capacity than cooling/water capacity.

      --
      Still waiting on Serviscope_minor to wake up to fucking reality and realize that Jessica Price isn't going to fuck him.
    4. Re:A couple of things... by ground.zero.612 · · Score: 0

      Actually the GP is correct. During WW2 the US military experimented heavily with water injection and in some applications were achieving close to 100% more horsepower. Modern day sports cars with superchargers can see modest gains simply by installing a water/methanol injection kit.

      --
      "Be prepared, son. That's my motto. Be prepared." --Joe Hallenbeck
  39. Re:First Post? by Exception+Duck · · Score: 2, Insightful

    How about if they ban First Posts from AC users...
    Until someone logged in has posted something - no AC's

    And if logged in users post "First post" nonsense - ban them.

  40. hmm... by Exception+Duck · · Score: 2, Insightful

    Would probably only create a competition for "Second post".

  41. not so promising by cpotoso · · Score: 1

    Their surface areas per unit mass ( 3,000 m^2/g) and are also quite cheap. See, for example from my home state: http://www.physorg.com/news162195986.html

  42. Re:First Post? by masshuu · · Score: 1

    you know what? i think people who post about eating obamas fecal mater as a first post need to die.
    saying "First Post" isn't bad.
    and as someone else said, it would only make people compete for second post or maybe third post.

    --
    O.o
  43. not so promising (again...) by cpotoso · · Score: 2, Informative

    Their surface areas per unit mass (smaller than 1,000 m^2/g) are not too impressive (since storage is done by physisorption on the surface). This will not produce sufficient adsorption. Activated carbon from corn-cobs appear to offer more promise (migger than 3,000 m^2/g) and are also quite cheap. See, for example from my home state: http://www.physorg.com/news162195986.html

  44. Anonymous Coward by Anonymous Coward · · Score: 0

    Must be something in the world that smells worse that burnt chicken feathers

  45. What I want to know by baegucb · · Score: 2, Funny

    "He experimented for years with various ways to use feathers and eventually wondered if they might store hydrogen."

    Now did the professor just wake one one day and say "Aha! I know how to solve the energy crisis! Chicken feathers!"? It seems to be very original thinking.

    1. Re:What I want to know by Concerned+Onlooker · · Score: 1

      Indeed. What is little known is that the reaction he got from the first colleague he mentioned it to was, "horse feathers!"

      --
      http://www.rootstrikers.org/
  46. Re:First Post? by fractoid · · Score: 1

    I do play World of Warcraft and I get laid regularly. It plays havoc with my raid schedule, let me tell you. :P

    --
    Rampant carbon sequestration destroyed the Dinosaurs' tropical paradise. I'm here to help repair the damage.
  47. Re:I'm afraid that most won't have the Foggiest id by Anonymous Coward · · Score: 0

    You are a horrible person.

  48. Foul technology by GISGEOLOGYGEEK · · Score: 1

    haha now if only chickens could fly ... we'd finally have our flying cars!
    .
    .
    cus.gus@hotmail.com

    --
    George Bush + Linux = "I will not let information get in the way of the fight against Windows"
  49. Unique properties of chicken feathers by mbstone · · Score: 1

    One good reason to have cars powered by chicken feathers is that chicken feathers are one of only two substances that may lawfully be littered upon the public streets and highways. Cal. Vehicle Code 23114(a). So once their fuel value is depleted, just dump 'em on the road.

    1. Re:Unique properties of chicken feathers by Muad'Dave · · Score: 1

      Similar in Virginia, except California requires the feathers to be from live birds, making the disposal of carbonized feathers from the backs of live birds a real PETA issue.

      ...clear water or feathers from live birds...

      It's interesting how similar the language is. California:

      a vehicle ( )2 shall not be driven or moved on any highway unless the vehicle is so constructed, covered, or loaded as to prevent any of its contents or load other than clear water or feathers from live birds from dropping, sifting, leaking, blowing, spilling, or otherwise escaping from the vehicle.

      Virginia:

      No vehicle shall be operated or moved on any highway unless it is so constructed, maintained, and loaded as to prevent its contents from dropping, sifting, leaking, or otherwise escaping.

      Do you think some powerful lobby wrote the legislation?

      --
      Tiller's Rule: Never use a word in written form that you've only heard and never read. You will end up looking foolish.
  50. Chicken Feathers? by Anonymous Coward · · Score: 0

    Horse Feathers!

  51. Not so correct though. by Anonymous Coward · · Score: 1, Interesting

    "The modifications to a modern gasoline-powered engine to make it run on hydrogen are essentially the same as those to make it run off compressed natural gas."

    Um, no, not at all.

    Hydrogen can be used in a single a cylinder engine, but because it has an extremely fast a flame front, considerably more so than natural gas (CNG), then any engine with a common intake runner (like all modern multiple cylinder engines) will cause preignition in all the cylinders, rendering the engine useless for doing any sort of useful work.

    I order to burn gaseous hydrogen in multiple cylinder engines, one needs to use completely separate intake runners to each cylinder, and other expensive (and illegal) modifications.

    You're not as educated on this issue as you seem to believe.

  52. and the other is.... by j-stroy · · Score: 1

    clear water

    *duh*

  53. Chicken Feather Charcoal IS carbon nanotubes by AllParadox · · Score: 1

    Why is this so surprising? My understanding was that carbonized Chicken Feathers, like many charcoals obtained from natural biologic materials, contains significant amounts of carbon nanotubes, buckyballs, and all sorts of unrelated glop. The nanotubes cannot be separated from the glop, so researchers write off the whole thing as a failure. Now to find the reference. That is going to be a pain. I heard this a long time ago.

    --
    All is paradox. Retired lawyer, so this is just one more layman's opinion.
  54. Re:First Post? by robot_love · · Score: 1

    Hmm...I don't play WOW, and I don't get laid regularly. Where does that leave me?

    --
    .there is enough of everything for everyone.
  55. When pigs fly by twocs · · Score: 1

    The true hydogen economy will take off literally when pig wings are carbonized at 711 degrees Fahrenheit. So, we only have to wait until pigs fly.

  56. Re:First Post? by stei7766 · · Score: 5, Funny

    Married?

  57. Back to hydrocarbon's eh? by flyingrobots · · Score: 1

    Hmmm...so they've figured out that storing hydrogen with carbon is actually a great idea.

    Funny, the earth has being doing that for billions of years. Man, it sure takes us awhile to catch on.

  58. Oh hell yes! by Greg_D · · Score: 3, Funny

    We get to piss off the vegans, environmentalists, and anti-environmentalists, all at the same time!

    This is fucking BRILLIANT!

  59. facepalm by RomulusNR · · Score: 1

    Gee, that's great. I suppose we're going to need a shit ton more chickens, to be bred to have their feathers burnt.

    I wonder, did they also evaluate human hearts? Who knows, could work ten times better than chicken feathers!

    --
    Terrorists can attack freedom, but only Congress can destroy it.
  60. Uh no. . . by mosb1000 · · Score: 1

    There is now, and has only ever been one problem with the hydrogen economy.

    The cost and durability of fuel cells.

    When was the last time you heard someone say that we need to solve some issues before we can use natural gas? Hydrogen is not much less energy dense, nor is it much more difficult to work with. Storing the hydrogen is a non-issue, we've been storing gasses under pressure for quite a while now.

    If the the cost of fuel cells comes down another 10 fold, and we can supply all the need for PEMs, we will have a hydrogen power infrastructure. Until then, hydrogen is nothing special.

    1. Re:Uh no. . . by cheesybagel · · Score: 1

      Storing hydrogen at good density is an issue. As an example.

      Liquid hydrogen (LH2): Fuel Density: 0.071 g/cc. Fuel Freezing Point: -259 deg C. Fuel Boiling Point: -253 deg C.

      Liquid natural gas (LCH4): Fuel Density: 0.424 g/cc. Fuel Freezing Point: -184 deg C. Fuel Boiling Point: -162 deg C.

      So to store the same weight in LH2 you need a storage tank ~6x bigger. Plus you need a storage tank that is always cooler than -253 deg C to prevent boiloff at that fuel density, that is, less than 20.15 deg K, which is fucking *cold*. That is colder than the surface of Pluto. Compare this with Kerosene, a hydrocarbon that is used for aviation fuel and is similar to diesel:

      Kerosene: Fuel Density: 0.806 g/cc. Fuel Freezing Point: -73 deg C. Fuel Boiling Point: 147 deg C.

      Kerosene needs a storage tank ~12x smaller than liquid hydrogen, and is storable at ambient temperatures.

      The major problem with a hydrogen economy is storage, followed by fuel cell cost.

    2. Re:Uh no. . . by mosb1000 · · Score: 1

      You are comparing the mass density. However, liquid hydrogen has an energy density of 10MJ/L, vs. 17MJ/L for kerosene. So no, your tank does not have to be 12x bigger, it only has to be about 2x bigger when compared with Kerosene.

      Hydrogen has approximately the same energy density (volumetricly) as natural gas for any given pressure (it's a little less, but not much), or when stored in liquid form. So, you can see how it is true when I say that if storing hydrogen is a problem, storing natural gas would be too, but we do it all the time.

    3. Re:Uh no. . . by cheesybagel · · Score: 1
      Sorry, you are correct. Boh. Using data from here the volumetric energy density of Kerosene is 33 MJ/l while for LH2 it is 10 MJ/l. This is more than 2x as much. When I say "Kerosene" I am talking about something like RP-1 or Jet-A fuel. The volumetric energy density is 3x better than for LH2. Plus you do not need expensive tanks with heavy insulation to store it.

      Actually storing natural gas (CH4) is not done all the time. It is either done sparingly or not at all. Qatar is building a gas to liquids plant because it is very expensive to ship natural gas by tanker. Usually natural gas is piped to homes. Stored gas is usually denser propane (C3H8) which is a higher density hydrocarbon.

  61. Stanley Steamer Mark II by mac1235 · · Score: 1

    The article didn't mention how to get the hydrogen OUT of the feathers. Maybe you just burn the feathers.

  62. physics: hammer versus sap by Anonymous Coward · · Score: 0

    see a sap is like the thawed chicken, it has give, it knocks the guy out,
    a hammer (frozen) has less give, breaks the guys skull

  63. Re:First Post? by isama · · Score: 1

    Can't you just multitask? :P

  64. Foolishness! by Anonymous Coward · · Score: 0

    This will solve nothing and simply drive up the cost of pillows.

  65. Hurricane Harvester to powerplants onshore by soopergrape · · Score: 1

    There are already windmill ships that produce hydrogen. What if high velocity winds of stormy areas and even hurricanes could be tapped to produce massive amounts of hydrogen under partial pressure at depth? This would be ferried to power plants on the shore by piloted or robotic tanker subs that need never surface, connecting to pipelines offshore. Not your traditional windmill...I'm thinking vanes the size of Airbus wings (...or larger, tip to tip, but uniformly wide.) riding on railroad capacity carriages top and bottom like a massive venetian blind wrapped around two towers cruising the leading or trailing edge with a category five blowing through it and producing power like a portable Hoover Dam on steroids...while operating with at least a fifty percent safety margin. I forget the numbers, supported at both ends and not tapered the vanes could handle more than the maximum takeoff weight of the new Airbus and probably half again or more. A hundred and fifty-five mph wind is really not so very much over stall speed. (We must allow for increased air density due to the high moisture content.) I don't have the numbers handy, and I never calculated the electrical output or hydrogen production, figure fifty to maybe a hundred vanes per harvester generating on front and back sides with a little trim for maneuvering. Might be interesting. Some places are so stormy you could just about park one and run a hose... Oh yes, the cars! Yeah, roasted feathers, sure. And a star rotor pure hybrid with those new capacitors. Just put acceleration power strips on the on ramps and at intersections so I can get up to speed on the grid. "Home, James."

  66. More like by xdor · · Score: 1

    Chicken carbonara

  67. Call the Colonel!....No, wait... by motherpusbucket · · Score: 1

    I would suggest this could be a profit center for KFC, but everyone knows that they use featherless, beakless, tube-fed mutant chicken-like organisms for their supply.

    --
    "You can't really dust for vomit" --Nigel Tufnel
  68. Physics question concerning impulse and force. by maillemaker · · Score: 1

    OK, serious question here.

    Let's say I can take a hammer and swing it and flatten a piece of wire.

    How can I calculate what the equivalent force would be required to do the same deformation by, say, squeezing the wire in a vise?

    In other words, how can I relate impulse into a constant force?

    --
    A work that expires before its copyright never enters the public domain and thus enjoys eternal copyright protection.
    1. Re:Physics question concerning impulse and force. by PitaBred · · Score: 1

      Force = delta momentum/delta time. If you calculate the change in momentum over the time it was in contact with the wire, you should have the overall force. Google will help you find all the nice physics formulas you need.

  69. awesome by maillemaker · · Score: 1

    >Force = delta momentum/delta time

    That answered the question right there.

    All I gotta do now is go figure out how to calculate the momentum of the hammer of X mass swung with speed Y.

    http://en.wikipedia.org/wiki/Momentum

    Looks like momentum = mass * velocity

    The trick is going to be figuring out the instantaneous velocity of my hammer at the time of impact. I should be able to approximate it with a stopwatch and a helper. The delta momentum will be the momentum - zero, since the hammer is coming to a complete stop.

    Any thoughts on how to figure out the instantaneous velocity of the hammer at the time it strikes an object?

    --
    A work that expires before its copyright never enters the public domain and thus enjoys eternal copyright protection.
    1. Re:awesome by Anonymous Coward · · Score: 0

      Use a hammer with a pitot tube.

  70. Re:First Post? by RichardJenkins · · Score: 1

    Wanking.

  71. My Other Car is Vegan by bill_mcgonigle · · Score: 1

    see sub.

    --
    My God, it's Full of Source!
    OUTSIDE_IP=$(dig +short my.ip @outsideip.net)
  72. Re:First Post? by alexo · · Score: 1

    > I don't play WOW, and I don't get laid regularly. Where does that leave me?

    Put this man in cell #1, and give him a drink.