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Foot-Powered Laptop

mrd98 writes: "There is an article in the Register about a U.S. developer who has created a foot-powered device which can be used to charge laptop batteries. Apparently 5 minutes of brisk pumping will give you 20 minutes of battery life, it can also be used to power most other electrical devices with a rechargable battery."

161 of 241 comments (clear)

  1. Getting closer to... by Luminair · · Score: 1

    ...finally getting those damn things in our shoe soles. Charge while you walk!

    1. Re:Getting closer to... by Anonymous Coward · · Score: 1, Funny

      Honestly, when I'm listening to all those techno CD's, now I can actually be putting that adrenaline in my vibrating leg to use...

    2. Re:Getting closer to... by Spamalamadingdong · · Score: 1

      I thought of that a few years ago. It should be enough to power a thrifty laptop, too.

    3. Re:Getting closer to... by CrazyBrett · · Score: 2

      I always wondered if this "charge while you walk" thing would be such a blessing. The whole Law of Conservation of Stuff says that you can't create energy, you need to borrow it from somewhere. In this case, every bit of energy you used to charge your electronics would be energy that WASN'T spent moving your body along. I imagine that walking like this would feel difficult and strenuous, sort of like walking in sand. Has anyone actually tried chargers like this?

    4. Re:Getting closer to... by Gaijin42 · · Score: 2

      Currently a whole bunch of energy is spent absorbing the shock of your foot hitting the ground. That energy would be enough to power most devices, and would actually make walking more comfortable.

    5. Re:Getting closer to... by Bonker · · Score: 3, Interesting

      In this case, every bit of energy you used to charge your electronics would be energy that WASN'T spent moving your body along. I imagine that walking like this would feel difficult and strenuous, sort of like walking in sand.

      Hmm... Most geeks I know sit in front of a computer all day and then go to the gym and excercise (if they get excercise at all) on a bulky treadmill, bike, or resistance weight system.

      As long as it was comfortable, I don't think most people would mind a little extra effort in the amount of 'unavoidable' excercise they got walking between offices or tapping their feet to the MP3's.

      I, for one, could save serious buckage on my electrical bill if I put a pedal-type charger under my desk while I worked.

      --
      The next Slashdot story will be ready soon, but subscribers can beat the rush and slashdot the links early!
    6. Re:Getting closer to... by Atrahasis · · Score: 1

      I saw an article not so long ago (can't remember where, sorry) about a plastic that could be used to generate electricity through bending - put a layer in the sole of your shoe, and the normal bending force that goes to heating the sole actually does something useful. The article also suggested using a form of it as underlay, so every time you walk across a room, you're generating electricity.

    7. Re:Getting closer to... by Gaijin42 · · Score: 2

      If the energy is there, why generate heat inside your shoes (making them stinky!) via the compression of the rubber, when you could harness that energy?

    8. Re:Getting closer to... by throwaway18 · · Score: 1

      >I, for one, could save serious buckage on my electrical bill if I put a pedal-type charger under my desk while I worked.

      When I last looked at a power bill some time ago electricity cost me the equivalent of about 30 cents per kilowatt hour.

      Have a look at this page.
      http://www.princeton.edu/pr/pwb/99/1108/powerd.s ht ml
      It says students could only produce 200watts for ten minutes in tests. Allowing for mechanical and converter effiency, probably only 100watts of electricity.
      Do you think 3 cents per hour of pedaling is worthwhile? Do you want to get sweaty pedaling hard while using your computer?

      My 2 year old laptop draws 20 watts idling, 26 when the mouse is moving and 33 accessing the HDD.
      When a batterys is charged only 2/3 of the energy is stored, the rest is lost as heat.

      The numbers suggested in the article seem optomistic to me

    9. Re:Getting closer to... by robmered · · Score: 1

      I would have thought the obvious point was not to replace the traditional power sources when they're available (unless you really want to get fit, or are particularly environmentally conscious ), but rather to provide an alternative source of energy when a power point is not available. Imagine - the ability to watch dvd's for the entirety of your long haul flight *and* avoid deep vein thrombosis at the same time!

  2. What are you doing under that blanket? by Bonker · · Score: 5, Funny

    Charging my laptop. Honest!

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    The next Slashdot story will be ready soon, but subscribers can beat the rush and slashdot the links early!
    1. Re:What are you doing under that blanket? by zpengo · · Score: 1

      I suppose you could print out a copy of the article and carry around to show girls who don't understand why you have your foot in their laptop.

      --


      Got Rhinos?
    2. Re:What are you doing under that blanket? by grammar+nazi · · Score: 1
      The US Department of Defense has bought an earlier version of the product for landmine testing and detonation (it's suitable as it can be used to generate and release a well-controlled quantity of electrical power).

      Come on! What enemy is stupid enough to walk up to a landmine -- and then pump up the generator so that their legs will be blown off! This must have been George W. Bush's brainchild.

      </kidding>

      --

      Keeping /. free of grammatical errors for ~5 years.
  3. Immaturity at it's best {OT} by the+Man+in+Black · · Score: 5, Funny

    Apparently 5 minutes of brisk pumping will give you 20 minutes of battery life

    Think of what this could do for the sex toy industry.

    *sigh* I can't believe I've stooped this low.

    1. Re:Immaturity at it's best {OT} by GT_Alias · · Score: 1
      Yes...but could you pump briskly for 20 minutes??

      Heh, they better come out with the 30 second model for some of us.


      *sigh* Can't believe I stooped even lower

  4. Just what i need by KingKire64 · · Score: 4, Funny
    My right calf 3 times the size of my left, Now we can definatly be pointed out as geeks...

    BULLY1:"WTF is wrong with his leg?"

    BULLY2:"Oh he is a geek LETS GET HIM!"

    --
    "All I can tell the "lesser of two evils" folks is that if they keep voting for evil, they'll keep getting evil."-Lp.org
    1. Re:Just what i need by BathTub · · Score: 1

      and the reason you wouldn't alternate legs is?

  5. Interesting by mikeage · · Score: 2

    This looks like it has a lot of promise... not so much for regular use so much as emergencies. Laptops have some pretty high power drain sometimes... I'd imagine that a device that can power one for 4 times it owns usage time must require a good deal of input power, aka, work (or the dreaded e (exercise) word).

    --
    -- Is "Sig" copyrighted by www.sig.com?
  6. Bah, pedals would be better by Penrod+Pooch · · Score: 5, Funny

    As a diehard Emacs bigot I'd prefer Control and Meta pedals.

    1. Re:Bah, pedals would be better by brogdon · · Score: 2

      Done. Kinesis offers several of their optimized keyboards with foot pedals, or you can purchase the pedals separately. They're fantastic.

      --


      This tagline is umop apisdn.
  7. Wha?! by geek00 · · Score: 5, Funny

    Apparently 5 minutes of brisk pumping will give you 20 minutes of battery life

    For me, 2 minutes then it's nap time...

  8. cardio for geeks! by Mr.+Quick · · Score: 1, Troll

    help reduce the fatness of your favourite geek... buy them one of these...

  9. Just what the slow tech market needs! by garoush · · Score: 4, Funny

    Think about it. All those tech workers who are looking for a job now can get a job to keep up the laptops of office workers up and running.

    --

    Karma stuck at 50? Add 2-5 inches.. err.. 2-5x Karmas Count to your pen1es.. err.. Karma all naturally and private
    1. Re:Just what the slow tech market needs! by rhost89 · · Score: 1

      Yeah we might be hiring a whole lot of people this summer when the rolling blackouts start up again :)

      --
      I will bend your mind with my spoon
    2. Re:Just what the slow tech market needs! by stph · · Score: 1

      Wait just a minute there buster. That's what us unemployed Journalism majors are for. Don't be cuttin' into my quality employment opportunities.

  10. Hiking by 3.1415926535 · · Score: 2, Interesting

    I suppose this could be good for long hiking trips for people who just have to get their email fix.

    That would kind of defeat the purpose of a hiking trip, though.

    1. Re:Hiking by Squareball · · Score: 1

      From that guy who shot a wireless lan off of trees and around the mountains "nothing but net"... not sure where that story is.. maybe i'll look it up. it was posted a few weeks ago ;)

    2. Re:Hiking by 3.1415926535 · · Score: 1

      Or a satellite link, if you're made of cash.

  11. The Matrix? by slcdb · · Score: 4, Interesting

    So, it's true... in the future the machines really will turn us into living power sources.

    --
    Despite what EULAs say, most software is sold, not licensed.
    1. Re:The Matrix? by beebware · · Score: 1

      Stop it - you're scaring me! It's when the air is so polluted that we've got to carry around Oxygen generator kits powered by dynamos that we've _really_ got to worry!
      Hang on - clockwork radios, clockwork mobile phone chargers (now available), foot powered laptops, there's a machine that can 'digest' body matter and change it into energy (currently being used as a 'slug-catcher'): I think it's too late already :-(.

    2. Re:The Matrix? by Joe+Rumsey · · Score: 1

      I remember the slashdot story about the machine that eats. Slug-catcher was a proposed future use, but it's not practical yet. I think the story said they only got a few seconds of power from several hours of digesting.

      Not to mention autonomous slug-catching is a pretty advanced robotic task. I think you'd have a hard enough time building a bot to do that even without trying to make it self-powering. If you were to do such a thing, solar power or a recharging base station where the thing goes to sleep would be much more practical.

      Now if I'm wrong, then someone please post a link to a company that makes robotic slug-catchers. I'd love to see it. Lego Mindstorm versions are acceptable too!

    3. Re:The Matrix? by Mysticalfruit · · Score: 1

      what if the robot also had solar power as well to suppliment it's chemically generated power.

      --
      Yes Francis, the world has gone crazy.
  12. would be good for airline use... by Em+Emalb · · Score: 1

    this would be cool for airline use for those long flights. Bringing a couple spare batteries would be better, since I can see the annoyed faces of the other passengers around you. Kinda like that stupid airline commercial where the cattl..er passengers all cross their legs at the same time...

    --
    Sent from your iPad.
    1. Re:would be good for airline use... by Atrahasis · · Score: 1

      Reduces the risk of DVT, too.

  13. Nice idea..... by forsaken33 · · Score: 1
    This sounds like a good idea. It is just so fun running out of battery power on a nice trip......this could help cure. It says it charges the battery. Well, does this mean i have to take the battery out of my laptop or buy a spare and charge it or something? Just how well would a battery react to this kind of charge? Im no expert, but i dont think being charged at changing rates for a short period of time will do too much good for those 100+ dollar batteries.


    Also....looking at some of the people this would be marketed to, that five minutes of vigorous activity...man that could be a killer. I would think something like those crank powered radios would work....use the crank or pedal to wind a spring to get that five minutes of power. Or use a nice sized flywheel in there to help it. Should be interesting to see what happens with this.....

    --
    http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe =UTF-8&q=. amusing....
    1. Re:Nice idea..... by blitzrage · · Score: 2

      Im no expert, but i dont think being charged at changing rates for a short period of time will do too much good for those 100+ dollar batteries.

      Maybe I don't understand what you mean, but it is my understanding that batteries are recharged with pulsed DC power? Sounds to me like a pedal you pump would do the same thing.

      --

      I have no signature
    2. Re:Nice idea..... by forsaken33 · · Score: 1

      AAACK the dreaded dead hands strike again. I meant to say that i dont think it will do too much good. AFAIK some laptops still use NiCd batteries, although not many. can anyone say memory effect?

      --
      http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe =UTF-8&q=. amusing....
    3. Re:Nice idea..... by blitzrage · · Score: 2

      Ahhhhh.. gotcha. Yah, memory affect sucks ass :)

      --

      I have no signature
  14. If used on those long airplane flights... by Skyfire · · Score: 2, Interesting

    ...this should also take care of Thrombophlebitis a condition of blood clotting in the legs when they do not move enough... Great for those aging geeks!

    --
    Do not go gentle into that good night. Rage, rage against the dying of the light.
  15. This reminds me... by Archie+Steel · · Score: 2, Funny

    ...of that Tech Support story (urban legend?) in which someone called saying that their computer was broken. When the tech support guy asked to describe the problem, the person said that they pressed on the foot pedal but the computer wouldn't come on. The foot pedal, of course, turned out to be the mouse...

    --

    Reminder: find a new sig
    1. Re:This reminds me... by TheMatt · · Score: 2, Interesting

      Fiction can be fact...The Foot Mouse!

      Looks cool, but I'm too used to my MS Explorer with five buttons and a scroll wheel. You'd need to be a spider to use that foot mouse.

      --

      Fortran programmer...oh yeah. Array math for life!

    2. Re:This reminds me... by sharkey · · Score: 2

      Walt Disney is dead, you hear me? Dead. Not frozen, not with Elvis: dead and buried.

      Why not with Elvis? Elvis IS dead, you know.

      I was in Nashville last summer, and almost saw Elvis, but my shovel broke.

      --

      --
      "Outlook not so good." That magic 8-ball knows everything! I'll ask about Exchange Server next.
    3. Re:This reminds me... by Mark_Hopkins · · Score: 1

      I was in Nashville last summer, and almost saw Elvis, but my shovel broke

      No wonder it broke. You had a long way to dig, considering Elvis is buried in Memphis. :)

    4. Re:This reminds me... by sharkey · · Score: 2

      Huh. No wonder that lady was carrying on about someone named Fluffy. What was I smoking?

      --

      --
      "Outlook not so good." That magic 8-ball knows everything! I'll ask about Exchange Server next.
  16. Take this passenger to Cuba! by WinPimp2K · · Score: 1

    The article points out that the device has military applications (one of which is detonating land mines).
    Accordingly we may expect that trying to carry one of these babies past airport security may result in a trip to Camp X-Ray in Guantanamo Bay. For those not old enough to remember, back when hijacking was "chic" (late sixties, early 70's) before the terrorists got involved, the most common hijacker demand was "Take this plane to Cuba"

    --

    You either believe in rational thought or you don't
  17. Unfortunately... by LM741N · · Score: 5, Funny

    Windows takes 20 minutes to boot.

    1. Re:Unfortunately... by TummyX · · Score: 1

      Unforunately, Windows XP boots much faster than Linux. Whoops.

      How about you make a joke about Windows' stability, or lack of users? Oh hang on..

    2. Re:Unfortunately... by wiebe · · Score: 1

      At least we will see the difference between windows and linux users ... the ones with muscles and ...

  18. Re:Cool, but... by tux-sucks · · Score: 1

    To charge your laptop, dumbass.

  19. Presentations? by NWT · · Score: 1

    Wow, incredible ... i just can't emagine how to explain your staff/chef that you've got to pump it up =)

    --
    Life sucks.
  20. that solves it... by Hooya · · Score: 2, Funny
    Apparently 5 minutes of brisk pumping will give you 20 minutes of battery life, it can also be used to power most other electrical devices with a rechargable battery.

    Guys typically take shorter to reach orgasm [not speaking for myself here ;)]. women need more time 'at-it'. this solves that issue. guys do a brisk pumping for 5 minutes. put that battery into you-know-what and the women get to go at it for 20 minutes. didn't solve world hunger. but very close. very close.

  21. Totally wireless... by Styx · · Score: 3, Interesting

    This sound like a great idea. Just combine it with a solar power charger, a sattelite phone, and you'll be able to get online anywhere in the world. :-)

    There's also the hand cranked cellphone for when you need a workout for your arms.

    --
    /Styx
  22. "brisk pumping" by nikko · · Score: 1

    "Apparently 5 minutes of brisk pumping will give you 20 minutes of battery life"

    Darn, there's so much "brisk pumping" that occurs naturally in society-- wouldn't it be more efficient if we could somehow capture the energy from that?

  23. Techno Wool by BrianGa · · Score: 1

    Wonderful! Now, when my grandmother is knitting me a sweater with her foot-pedeled sewing machine, she can power my laptop too!

    1. Re:Techno Wool by einstein · · Score: 1

      how in the world do you knit with a sewing machine? you could make yarn on a spinning wheel, you could sew fabric together with a sewing machine. I think you're a little confused, or your grandmother has rounded the bend and is actually trying to knit with a sewing machine..
      ---

  24. At last the eXtreme Programming (XP) answer by garoush · · Score: 2

    This is the answer for XP's peers development utilization question. As one developer would be coding, the second would be pumping up the battery -- no more questionable waist of developers' valuable time by just watching over the coder.

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    1. Re:At last the eXtreme Programming (XP) answer by RetroGeek · · Score: 2, Funny

      no more questionable waist

      Freudian slip?

      --

      - - - - - - - - - - -
      I am a programmer. I am paid to produce syntax not grammar. Deal with it.
    2. Re:At last the eXtreme Programming (XP) answer by spencerogden · · Score: 1

      Seems like we should be careful, companies might stop paying for power, and expect everyone to power their own office equipment.

  25. improvement idea by Milkyman · · Score: 1

    I think it would be great if this device were designed to accept your normal outlet plugs so you plug whatever you want into it without having to buy some kind of adapter... but i guess that means the company loses money on selling you adapters for your gear.. ie: adapter for your ipaq, adapter for your phone.

  26. Freecharge by jACL · · Score: 3, Informative

    To go along with your foot-powered laptop, you might want to check out the Freecharge windup generator due out for Motorola cellphones this quarter. It won a Time Product of the Year citation.

    --
    "It remains to be seen if the human brain is powerful enough to solve the problems it has created." Dr. Richard Wallace
  27. Time management by PhoenxHwk · · Score: 2, Funny

    5 minutes out of every 25 must be spent charging. Ok that means you end up wasting 12 minutes out of every hour. I'd say this is much less than I end up wasting on other things like solitaire, minesweeper. PLUS, you get exercise out of it! Sign me up!

    1. Re:Time management by NWT · · Score: 1

      Nono ... what about charging, while you're at work? I mean, unless you're not totally down, you can do at least 2 things together, can you?

      BTW: it's proven that women can do more things together than men, so what about your secretary powering your laptop?

      --
      Life sucks.
    2. Re:Time management by sab39 · · Score: 2

      It would be even nicer if the batteries could be charged while the unit is in use. Imagine hooking this up to, say, an exercise bike: put a docking station for the laptop on the handlerbars, and pedal while you code! I guess if it really only takes 5 minutes of pedalling per 20 minutes of uptime, you could just pedal while trying to think what the heck is causing this bizarre bug you're seeing...

      Stuart.

  28. Re: how is this rated offtopic? by CMiYC · · Score: 1, Offtopic

    "The StepCharger weighs 10.5 ounces and is roughly the size of a paperback book; it can be used to charge anything from satellite phones to digital cameras and video cameras, as well as laptops. "

    I was just thinking such a device could possible adapted to fit on the bottom of your shoes. That way the activity of walking or running could be used to generate power instead of pumping standing still. Man, I must have hit a nerve with someone who's chips and dip ran out or something.

  29. Pedal powered sewing machines by RollingThunder · · Score: 4, Interesting

    Seems like a rather low yield to me - my grandfather used to sell Singer sewing machines, and has an amazing collection of antiques.

    Among them are two treadle style, with a large two-foot pedal, and a long band to transfer the power. That sucker got going REALLY fast, with a lot of momentum. Admittedly, it was all iron as well.

    It just seems to me that five minutes of pumping that sucker would have given me about 2 hours worth of laptop power!

    1. Re:Pedal powered sewing machines by testuser58 · · Score: 1
      It just seems to me that five minutes of pumping that sucker would have given me about 2 hours worth of laptop power!
      You must be thinking of some other antique technology... five minutes of foot pumping will give you 2 hours worth of palm power.
    2. Re:Pedal powered sewing machines by RollingThunder · · Score: 2

      Ever checked the amperage draw on a modern sewing machine? It's higher than a laptop's power supply, which is rated to simultaneously run the system AND charge the battery... and modern machines are made of much lighter materials than the old iron foot treadle was.

  30. Can you imagine by joeblowme · · Score: 1

    You come into work and they've cut every last possible person they can. But they still need cut backs. Next cut, the electric company. The company figures it can save money while keeping it's employees in shape. So 2 of these at every desk. Your required to pump 2 hours a day at first so you can work. It will be raised to 4 or 5 though because the executives will decide they don't want to do it and make you do thier pumping for them. We'll all still be skinny or overweight geeks but well have thighs and calves of steel.

    --

    If your not cheating your not trying. If your not trying your not winning and if your not winning why play?
  31. So what they're saying is.... by geewiz45 · · Score: 1

    A small 5k race could power a Beowulf cluster!

    Alright!

    --
    Sit back and relax as Windows 98 installs on your computer.
    1. Re:So what they're saying is.... by slakdrgn · · Score: 1

      or (in response to your sig) install windows 98 :)

  32. excercise?! by geojaz · · Score: 1

    Vigorous pumping? Legs? Excercise? All to use my laptop? hah

  33. Combine this with the ab roller... by Navius+Eurisko · · Score: 5, Funny

    and laptop users will be the fittest people on the planet! I can see conversations now...

    "Hey, Bob, your son is really getting big and strong!"
    "Yeah, Steve, he's going to be as strong one day as a computer programmer! Maybe even as fit as a linux kernel hacker!"
    "You don't say?"

    1. Re:Combine this with the ab roller... by blowhole · · Score: 2

      It's funny cuz it'll never happen!

      --
      "Ask me about Loom"
  34. You know someone has to ask it... by Spencerian · · Score: 1

    The thing is OK and all, but I really prefer a three-footed version--

    To answer The Obvious Comment:
    What would a Beowulf cluster be like of these?

    The Rockettes. The noise would be a bitch, but they'd be enough spare juice to light half of Manhattan.

    --
    Vos teneo officium eram periculosus ut vos recipero is.
  35. Ha! by e1en0r · · Score: 1

    I'll finally have a legitimate excuse for constantly tapping my foot while I'm sitting down. Take that, $whiner.

  36. Finally by Anonymous Coward · · Score: 1, Funny

    The Amish can recharge their batteries.

  37. This, plus inline skating or skateboarding... by qurob · · Score: 1



    Could solve Californias energy problems

  38. Why would anyone want to carry it around? by Florian+Weimer · · Score: 2

    An additional battery weighs about the same (both are around 300g).

    1. Re:Why would anyone want to carry it around? by mattdm · · Score: 2

      Well, obviously depends on the occasion. If you're going to be in the outback for a month, one additional battery isn't going to do you much good.

  39. Nervous by Resident+Geek · · Score: 2, Funny

    Am I the only one with a habit of shaking my foot/leg nervously? I could put that to use!

    --
    Fighting the War on the War on Drugs.
    http://smokedot.org/
  40. It could be invisible by Spamalamadingdong · · Score: 3, Insightful

    There are a lot of things your clothes do to absorb energy that you don't notice. You don't want the soles of your shoes to be too springy, for example. If you can put some of the absorbed energy to good use instead of turning it into heat, you'd never notice the difference.

    1. Re:It could be invisible by ZoneGray · · Score: 2

      I tried that once, explained how clothes sapped all my vital energy, and how things would be much better without them. She didn't go for it.

    2. Re:It could be invisible by mandolin · · Score: 1
      You don't want the soles of your shoes to be too springy, for example.

      Explain that? I could always use a little extra spring in my step at the track, methinks..

  41. Hmmm... it's not April 1st yet by passion · · Score: 2

    Though Compaq Australia tried to announce something like this before.

    http://slashdot.org/articles/99/04/01/0158234.shtm l

    --
    - passion
  42. honestly.. by theDEFT · · Score: 1, Informative

    I'd have a hard time justifying $150 to recharge a battery with manual labor, when a spare battery can be bought for most devices for a lot less. (especially a cell phone, etc)

    Besides, if i'm away from a power outlet of some sort for THAT long of a time, a nice break from the electronics is appreciated.

    1. Re:honestly.. by t · · Score: 1
      What if that something was a GPS and you were in the middle of fscking no where. Nothing personal to you but everyone here is so narrow minded. There are uses for this. If you can't think of one then it's not for you.

      t.

    2. Re:honestly.. by uspsguy · · Score: 1

      I don't know about everything else but I just priced a replacement battery for my laptop: $209 at three different sources. Not exactly the kind of thing where I could keep 2 or 3 spares around. Thats 40% of what I paid for the whole box.
      How did batteries get so damn expensive?

      --
      Profanity - The sign of a small mind trying to express itself.
    3. Re:honestly.. by BinxBolling · · Score: 2
      Nothing personal to you but everyone here is so narrow minded. There are uses for this. If you can't think of one then it's not for you.

      Welcome to Slashdot. You see this sort of thing here all the time:

      TiVo: "I don't see the use for this. I never want to record television anyways, and when I do, *I* am intelligent enough to program my VCR." (Missing that TiVo completely changes the way you watch television.)

      TV tuner hardware for the computer: "Why would I want to watch TV on my computer? I've got a nice couch with a big TV." (Missing that some of us live in small apartments or dorm rooms and would love to be able to save a bit of space by having the computer display to double duty.)

      Macs: "Why would I want to spend all that money on a Macintosh, when I can assemble my own machine out of chewing gum, duct tape, and rubber bands, that runs twice as fast for 1/10th the price?" (Missing that most people don't like to tinker with their computer.)

    4. Re:honestly.. by jubblock · · Score: 1

      for $15, i would consider annoying everybody on a flight so i could watch a full divx movie. i only get 75mins and a 3hour upgrade is over $200

  43. 5 minutes?! by InnereNacht · · Score: 2, Funny

    Sorry, theres only one thing I pump briskly for 5 minutes and I certainly don't get a 20 minute charge out of it.

  44. Cool, definitely by Spamalamadingdong · · Score: 1

    And if the wall has no power right now, or there is no wall? You're going to feel really silly there with a dying battery and your line-powered charger.

  45. HAHAHA by rhost89 · · Score: 1

    Kindof gives the movie "Sneakers" a whole new meaning :)

    --
    I will bend your mind with my spoon
  46. One question: does this thing hum, vibrate...? by MadFarmAnimalz · · Score: 1

    Or anything like that?

    Because that would just give the dog one more reason to affix itself to my leg...

    --
    Blearf. Blearf, I say.
  47. Sounds interesting by Nall · · Score: 1

    Not exactly sure how I could use it, although it's an intersting concept. If it generated more power, then it'd sure be something.

  48. Just light the wristwatch! by zaqattack911 · · Score: 1
    This reminds me of those wrist watches that are powered by the movement of your arm.

    Imagine... laptops chained around your neck swinging around, generating battery life.
    Who needs a pedal!?

    1. Re:Just light the wristwatch! by sharkey · · Score: 2

      Ouch! Wouldn't that hurt your arm? How well do wristwatches burn, anyway?

      --

      --
      "Outlook not so good." That magic 8-ball knows everything! I'll ask about Exchange Server next.
    2. Re:Just light the wristwatch! by zaqattack911 · · Score: 1

      yeaah. light shoulda been like. typo scatnick poodle!

  49. Just begs to be asked... by mcrbids · · Score: 2
    This could have serious implications for the entire industry:

    1. Computer programmers, now known for being large, out of shape, or at least unfit, will suddeenly lose weight and maintain excellent condition despite many hard hours at the computer.
    2. As a result, programming will become a "Jock" event, and programmers will attract the lust of pretty, air-headed blondes.
    3. Which causes every male known to want to become a programmer, lowering the average mental ability of programmers at large.
    4. Being a programmer then picks up a stereotype of consisting of "stupid" people, and those who would have become programmers now move onto something a little more interesting, like football.
    5. Thus leading to the destruction of the entire culture of programmnig - SPAM takes over the Internet at large, consuming 90% of the available bandwidth with ads like "Inlarge your peenis - Garenteed!".
    6. Society descends into a new Dark Ages, every man for himself.


    So you see, this is not a light event at all - All from having programmers that are physically fit, too.

    Don't buy one!!!
    --
    I have no problem with your religion until you decide it's reason to deprive others of the truth.
    1. Re:Just begs to be asked... by smaug195 · · Score: 1

      SPAM takes over the Internet at large, consuming 90% of the available bandwidth with ads like "Inlarge your peenis - Garenteed!". And this is diffrent from now how?

    2. Re:Just begs to be asked... by ElderKorean · · Score: 1

      What's the problem with looking and feeling a little better about yourself?

      There'll be all those good-looking girls that are always hanging around the 'Jock' crowd. They'll soon gravitate over towards us now. If you believe some of the movies of late, all the good lookers are also the most intelligent ones as well.

      The geek girls will have a better selection of fit and healthy geeks chasing them too.

      Works for both sides.

      There's already a load of people who think they can 'program' in vb or access. I've seen what can happen when they get out of control.
      The extra people of lesser intelligence in the computer industry will then increase the motivation of companies to get the best programming talent on team, which should increase the pay packets too.

      I can't see any major problems yet (not that I'm looking for any either)

      And a benefit for those in isolation
      I'm looking at moving up to Papua New Guinea in a few years and would love to live out in the villages. There is often no power out there so a way to power your laptop (or radio) would be a very good thing.

  50. Use Foot-Power for Windows stability: by Shuh · · Score: 1
    1. Buy a brand new laptop P.C. complete with WindowsXP goodness.
    2. Use computer until 1st Blue Screen encounter. (May take a couple of charges)
    3. Place computer on pavement.
    4. Carefully stomp on laptop for several minutes.
    5. Computer is completely stable and will not Blue Screen again.
    6. Repeat as necessary.
  51. Walking power by andaru · · Score: 1
    It would be cool if you could operate it by walking.

    How about shoes which generate power from your step? That way you can be charging while you are getting someplace.

    If you are foot-pumping, you have to pay attention in order to keep pumping, and it can really get tedious. Walking is second nature, so you can ignore the fact that you are charging your laptop and it seems like less of a chore.

    --

    Why is Grand Theft Auto a much more serious crime than Reckless Driving?

  52. Comment removed by account_deleted · · Score: 1

    Comment removed based on user account deletion

  53. What about the fingers and the keyboard by garoush · · Score: 2

    If 5 min. of foot pumping gives you 20 min. of battery life it seems to me that 20 min. of typing on the keyboard should give me 5 min. of extra battery life. I preface a keyboard solution as I won't have to think about the act.

    --

    Karma stuck at 50? Add 2-5 inches.. err.. 2-5x Karmas Count to your pen1es.. err.. Karma all naturally and private
  54. This sure won't help the users who... by Twister002 · · Score: 1

    think the mouse is the foot pedal for their computer.

    UL points = 1

    --
    "For a successful technology, honesty must take precedence over public relations for nature cannot be fooled." -Feynman
  55. Piezo Shoe Power by SlipJig · · Score: 1

    Another article about generating electrical power from piezoelectric implants in your shoes was posted back in June. Can't say which I'd prefer: constant "trickle" charging from walking around, or Richard Simmons-style express charging ;)

    --
    Read my keyboard review.
  56. DC power by No+Such+Agency · · Score: 2

    So by extension, if this device gives the equivalent of wall-socket power, you should be able to recharge the battery while you work (like plugging in your laptop and working), thus obviating the "this wastes 1/5 of your time" argument posted several times above. After all, if N minutes of pedaling gives you 4N minutes of charge, then the battery is charging faster than it's draining, right?

    --
    Freedom: "I won't!"
  57. Spring? Sprung? by fm6 · · Score: 2

    Another approach is to store the power in a wind-up spring, which turns a generator that supplies your power. There's been interest in this approach for years, but it never seems to go anywhere. Probably most people would rather look for a power outlet than turn a crank.

  58. New Geek Put-Down... by Shuh · · Score: 1

    I wouldn't let you pump my laptop!

  59. Bad news for Apple by sg3000 · · Score: 2

    Great, now people will be complaining about the iMac not having a second mouse button or foot pedal.

    --
    Insert simplistic political, ideological, or personal proselytization here.
  60. Weak humor: Gold Bond by andaru · · Score: 1

    New Gold Bond Foot Powdered Laptop!

    --

    Why is Grand Theft Auto a much more serious crime than Reckless Driving?

  61. Something seems confused.... by jsimon12 · · Score: 1

    I think the military one is made for walking, the civilian one seems made for stationary pumping stationary pumping. And honestly this doesn't seem to be a huge "Revolution" as this just uses a small generator like design (like those hand pumped flashlights). Now if they made those piezo-electric generator shoes or insoles, that would be cool.

  62. On trans-Atlantic flights by thelenm · · Score: 1

    Pump up your laptop battery and get tackled because the passengers or flight attendants think you're trying to light your shoes on fire, Boy Scout style.

    --
    Use Ctrl-C instead of ESC in Vim!
  63. What about keystroke energy? by Fragbert · · Score: 1

    Can't we harness all the energy we're putting into hitting all of these keys to good use? What about generating electricity from typing?

    Heck, at least the energy I've spent typing this message would actually be worth something then...

  64. If they only had these for GameCubes (or Xbox, PS) by Uttles · · Score: 2

    Maybe people in this country would lose weight!

    --

    ~ now you know
  65. Why go backwards? by mshomphe · · Score: 2

    Why are we devolving back to pedal-operated machines? What about solar, &c. energy supplies?

    --
    She sat at the window watching the evening invade the avenue.
    1. Re:Why go backwards? by bareminimum · · Score: 1

      have a look at iSunPower for an equivalent solar device. As you'll notice, like in the present case it's far from being sufficient to really charge a 25W/h laptop. Not just yet...

  66. Re: how is this rated offtopic? by CMiYC · · Score: 2

    It wouldn't have to be a platform in the platform shoe style. Nike made a shoe that had an extention on the toe only a while ago that was for running in place. Something along those lines would be what I was thinking. BUT, apparently talking about shoes with a pump that recharge electronics is completely offtopic to an article about a device you pump, with your foot, to charge electronics (as the article states, not the /. posting).

  67. Re:No by Graspee_Leemoor · · Score: 2

    It's more usually a sign of stress. It's only (paranoid) schizophrenia when you're tapping your foot because the FBI just passed a message into your brain that if you don't tap your foot they will take you out with their orbital "laser".

    graspee

  68. You know what this really reminds me of? by parliboy · · Score: 2
    One of the fads of past decades was pedal power. As a nod to couch potatoes, devices were created that took the power energy by your exercise on a stationary bicycle and concerted that into electricity to power your television.

    Maybe we could see something similar for computers. If you want to play Track and Field on MAME, you have to get on the treadmill for half an hour and run for real.

    --
    "You're never ready, just less unprepared."
  69. 5 mins of pumping gives 1 minute of battery life.. by tcc · · Score: 2

    From the website:

    Output Power: 0 to 6 Watts / 18 Volts Direct Current (DC18V)

    Funny, my laptop draws about 30W of power... I don't know if he talks about powering a PDA or a laptop, but in the case of most modern laptops with almost gigahertz processors with 3d graphics chips and dvd players and 40GB hdd, all of which are power-optimized of course, but still eating a few watts here left and right, it adds up pretty quickly.

    Just look at the power rating of your battery, 5000mA/hr 12Volts for example, the battery lasts about 2 hours, if you do quick maths, 5A/hr @ 12 Volts gives you 60Watts/hr, which obvioulsy means you can plug 60Watts power for about 1hr then the battery dies, so effectively, 30W for 2 hours is about right. Now if that device can output 0 to 6 watts, let's take the best case scenario... 6 watts... you'd have to pump 10 hours to keep 2 hours on your laptop.

    Unless you're running on a 486 with 10.4 DSTN LCD, I don't see how this is really practical for modern computers... unless you plug the whole office on this to power the server and keep the employees in shape :), or buy 2 of them when they'll reach 3rd generation with 15W output.. you'll look like your pedalling at your desk... heh...

    --
    --- Metamoderating abusive downgraders since my 300th post.
  70. Other uses by bluestar · · Score: 1

    Apparently 5 minutes of brisk pumping will give you 20 minutes of battery life

    5 minutes of brisk pumping will give you...other things as well.

    --
    "The cost of freedom is eternal vigilance." -Thomas Jefferson
  71. Endless supply of energy? by freebsd45 · · Score: 1

    The human body generates more bio-electricity than a 120-volt battery and over 25,000 BTU's of body heat. Combined with a form of fusion, the machines had found all the energy they would ever need.

  72. Hand pumping would be better by djelovic · · Score: 1

    Most programmers are much better at pumping briskly with their right hand.


    Dejan

  73. Public Power Grid? by MrNally · · Score: 1

    Is there any way that we could all get hooked up to the public power grid? (I guess we'd have to make the public power grid actually public first.)

    Imagine millions of people pumping their feet to save on electricity bills, all in distributed.net fashion.

    1. Re:Public Power Grid? by forkboy · · Score: 1

      Imagine the ability to cash in on your "stored" energy, all those hundreds of dollars of Mountain Dew and pizza stored in your big fat ass and convert it into useful household energy. (by "your" I mean "mine")

      --
      This message brought to you by the Council of People Who Are Sick of Seeing More People.
    2. Re:Public Power Grid? by JayAndSilentBob · · Score: 1

      "This job would be great if it wasn't for the fucking customers" -Randal (Clerks) Seems you screwed up the quote a bit.....

      --


      Love,
      Jay and Silent Bob
  74. Finally!! by jayed_99 · · Score: 2

    A third exercise to add to my book, "Fitness for Computer Geeks."

    For the curious, the other two are:

    the 21" monitor lift and Luser-Aviodance cubicle racing.

  75. I guess in this business climate... by Denial+of+Cervix · · Score: 1

    ..People'll try to pedal just about anything.

    I'll be here all week - don't forget to tip your waitresses!

    DoC

  76. ONEWORD by tlh1005 · · Score: 1
  77. A couple of things come to mind by cat_jesus · · Score: 1
    Apparently 5 minutes of brisk pumping will give you 20 minutes of
    So if you are heavy into the Pr0n 5 minutes of pumping will get you 20 minutes of pumping?

    If you have an infinite number of monkeys pumping an infinite number of generators generating electricity for an infinite number of CD players then Michael Bolton will still be a no talent ass clown.

    Pumping up the volume takes on a whole new meaning.

    Maybe they can make a pelvic thrust model. It's marital aid AND an electrical generator.

    Cat
    So what if I'm lame and tired. At least I didn't make a beowolf cluster of vibrators joke.
  78. You could... by 3rd_Floo · · Score: 1

    Power a city with some of these attached to the feet of some NY marathon runners!

  79. Comment removed by account_deleted · · Score: 2

    Comment removed based on user account deletion

  80. Unfortunately... by tshak · · Score: 1

    Linux takes 20 minutes to boot.

    --

    There is no longer anything that can be done with computers that is nontrivial and clearly legal. -- Paul Phillips
  81. Carpal Tunnel equivelent in the foot? by hendridm · · Score: 2

    It might hurt to shift into gear when I drive, but I'll be damned if I'm gonna allow my computer to take my ability to walk too!

  82. Other applications of this idea by Deryni · · Score: 1

    My brother has for a long time been saying that wherever you have a captive, seated audience you could be generating lots of power.
    Think about all those long car trips you took with your family when you were younger. Just imagine how much power you could have produced.
    Think movie theatres, assuming it could be made quiet enough.
    Think lecture halls.
    Think if it could just be springy material which generated a current (there was something about a shoe with that in the sole a while ago I think), then you could put in commonly walked on sections of pavement, or in houses.
    While individually, or at once you wouldn't generate any great amount of power, over time with a good battery, and enough people it would start to add up.

    -Etan

  83. Foot Powered Cash Registers by jim.b0b · · Score: 1

    Finally, checkout clerks will have one huge calf muscle to match their one large bicep.

  84. Wheeeee!!! by Aanallein · · Score: 1

    Wheeeee!!! More RSI! :)

    Obviously invented by someone who never had to inflate any airbeds with a footpump... 15 minutes of brisk pumping an hour - ouch. You won't last a day...

  85. Foot-powered indeed! At last! by tchdab1 · · Score: 1

    This could be a killer app: harness the power of my swift kicks to the case when it freezes.

    Finally a reason to load Windows!

  86. On airplanes by sunhou · · Score: 2

    The article mentions they'd be useful on airplanes. First, have fun explaining that one when going through the security checkpoint. Second, everyone sitting around you on the plane would be just thrilled about it; they'd probably ask the flight attendants if there are any empty seats available near a screaming baby or a jumping 4-year-old.

  87. 20 minutes of battery life... by robmered · · Score: 1

    ...and thighs of steel.

  88. Amish h4x0r1n6 by sielwolf · · Score: 1

    I wonder if the Amish could then legally use these then? I know some of the local Amish (mid-east Ohio) are allowed to use compressor powered tools and can even have one business related outlet. Heck they are even sold wind-up radios (hey when the lady friend drags you antiquing you see some of these things). It seemed that they were already skirting their technology ban. Why not just take it to the next ludicrous level?

    --
    What is music when you despise all sound?
  89. Hidden agenda? by sglane81 · · Score: 1

    This is obviously technology developed by Starbucks to sell more coffee.

    --
    This is the Internet. You can say "fuck" here. - AC
  90. Heh. by Scoria · · Score: 1

    The most obvious application would be to donate these to obese [Linux|FreeBSD|Windows|etc.] developers.

    Seriously, though; these would be excellent for people in those places without electricity. (With that sort of economy, though, I somehow doubt that a laptop computer would be within their budget.)

    --
    Do you like German cars?
  91. 5 minutes for 20 minutes is pretty bad. by blang · · Score: 2

    However, with an electric ink screen instead of a backlit LCD display, and some frugal software requiring less CPU and memory, 5 minutes of pumping could probably get you 2 hours worth of play.

    --
    -- Another senseless waste of fine bytes.
  92. Nothing new here... by abdulwahid · · Score: 1

    I think they just copied the wind up radio idea that the US used for proaganda in Afganistan. Applying the idea to a laptop doesn't really warrant being called an invention.

    --
    perl -e 'print $i=pack(c5, (41*2), sqrt(7056), (unpack(c,H)-2), oct(115), 10);'
    1. Re:Nothing new here... by ross.w · · Score: 1

      The Royal Flying Doctor Service issued pedal powered short wave radios to remote Australian farmers in the 1920s.
      They were used to summon medical assistance and for social interaction in areas where phones and electrical power weren't available.

      --
      If my call is important, why am I talking to a recording?
  93. Forced to Exercise by m_evanchik · · Score: 2

    I would be in much better shape if I was forced to power my computer with muscle-generated electricity.

    Think of the health benefits if all of our electonic devices had to be muscle-powered. Couch potatoes would become musclebound, or would get lazy and read more, which is also good.

    Internet addicts like myself could get some aerobic activity on a treadmill to power up our 'net surfing.

  94. why not? by signore+pablo · · Score: 1

    if they are doing this, why not try to gain some power from the keyboard. I mean, we type quite a bit, make a bit of resistance and convert it and you dont even have to do anything extra. And we'll have extra strong fingers! seriously though, this would be a good idea. why not right?

  95. Heh by mlylecarlin · · Score: 1

    So that kid on the plane with the Apple playing "Who Let the Dogs Out" was just giving a beat to power to.

    mlylecarlin

  96. Heh by mlylecarlin · · Score: 1

    So that kid on the plane with the Apple playing "Who Let the Dogs Out" was just giving [himself] a beat to power to. mlylecarlin

  97. 2 Minutes??? by Cruciform · · Score: 2

    I guess you haven't tried Tantric pumping. It charges you up for hours at a time.

  98. partially off topic by JohnCub · · Score: 1

    This is somewhat offtopic, but it relates in the aspect of power creation.

    Why haven't we created some sort of system along our many many miles of interstates where the vehicles pass over a power generator of sorts? For example, back in the day when you arrived at a filling station, a hose on the ground rang a bell using compressed air. Unless I am totally misunderstanding this system, work is performed by the weight of the vehicle. Why not put these on the roads and have mini substations to collect the energy? I don't mean rubber hoses of course, simply a system that collects energy from weight, like a hydraulic reservoir that gets compressed and pushes on a miniature generator. I don't think we'd want them ringing bells but we certainly could harness this "free" power. There would be costs involved in upkeep and construction, but one would think that the benefits would outweigh these costs.

    Another possibility is to put simlar devices in sidewalks that create some sort of power that can be used for things like street lights.

    It just seems that in our quest for power sources, we are missing the obvious ones. Let us use what is already working.

    It seems reasonable to me, so I'll be waiting for the reasons why these things can't happen. :)

    --
    -= Why can't I add 'Anonymous Coward' to my list of Foes? =-
    1. Re:partially off topic by LemonYellow · · Score: 2, Informative

      You couldn't generate power for free from vehicles passing along a road - the energy would have to come from somewhere. Any system you come up with would cause increased drag, killing fuel efficiency. Remember that little ol' law of thermodynamics - you can't get something for nothing.

  99. A much better renewable energy solution. by Self-Important · · Score: 1

    You know what's better than stomping away like an animal on this contraption? Letting Mother Nature do the work for you by getting a solar panel for your laptop. Not only are they cheaper than this thing, but they don't involve looking like an idiot to passersby. I promise I'm not affiliated with this company. I just thought I'd provide an example so that you folks know what I'm talking about.

  100. Human Powered Computer Systems at MIT by stph · · Score: 2, Informative

    Some interesting research into human-powered computer systems has been done at MIT Media Lab. Here are some links:

    Before you know it we'll all be wired for sound, uh MPEG-3. Stph

  101. Re:Amish h4x0r1n6 (I'm pretty much off-topic now) by stph · · Score: 1

    The latest issue of Fine Woodworking has a short article about an Amish woodworking shop that is powered by a diesel engine driving a big pump to run a bunch of hydraulic motors. All of the machines in the shop had been retrofitted with hydraulic motors. It seems the Amish gent who owns the shop, doesn't use electricity, but has no problem with using heavy machinery. Cost runs about $40/day and the diesel heats the shop as well.

  102. Re:Nothing [70s] new here... by dreamsinter · · Score: 1
    Bah, a group I knew back in the mid seventies were using a hand-wind-up cassette player for distributing information on. Making it in India, too, if my memory serves me right.

    --
    "I his bow, and spun and wove, likes you." Vere de Vere out of my mould's mouth dragged me of the voluntary apes.
  103. I'm onna TRAIN!!! by bythescruff · · Score: 1


    /.ers in the UK will know what I mean - now we'll have the New Improved Wanker On The Train This Morning - shouting "I'm just 'avin' a quick pump!" obnoxiously loudly into a mobile phone while frantically charging up his laptop. I can see it now:

    "Cause of death, constable?"

    "Being a complete tosser, if you ask me, sir."

    --
    Chuck Norris: Socialism == a thousand years of darkness.
  104. 5 minutes give you 20 minutes of lifetime?? by bareminimum · · Score: 1

    Anybody noticed that there seems to be a problem with the claims presented here?

    It seems odd that the charging rate of a personal electromechanical device could exceed that of the power grid, no?

    Especially when you notice that the foot pump only produces 6 watts (max) while last time I checked my laptop easily drains above 15 watts of energy.

  105. 5 minutes - 20 minutes??? by rew · · Score: 2

    The article claims 6 Watts of power output.

    My previous laptop used about 20W, my current one has a spec stating over 60W on the bottom.

    So for a reasonable laptop (25W), it would be more like 20 minutes of pumping would give you 5 minutes of battery life...

    Roger.