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User: jeffmeden

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  1. Re:Have they figured out the safety aspect? on Carbon Nanotube Batteries Pack More Punch · · Score: 4, Interesting

    But, "uh oh", these batteries still use Lithium! They simply have a new way of producing the electrode: "The result was a highly porous carbon nanotube electrode with lots of oxygens exposed on the surface, ready to bind with lithium."

    Also, there is nothing inherently tragic about Lithium; any technology that stores and releases energy can fall prey to thermal runaway. In the highly-available-power world in which I work, we have seen lead acid batteries go into thermal runaway after particular amounts of abuse (or defective manufacturing/installation).

    As someone who has used/abused lithium polymer batteries in the RC world (similar to the other respondent) I have seen what can easily happen to high-energy batteries when they are improperly maintained. The question is, what happens when there are hundreds of millions of these packs in cars all across the US, being put through various amounts of abuse? They will fail, and we need a safety mechanism that is highly reliable (like a re-enforced steel shell that can vent hot gases away).

    The comparison to a gas tank is somewhat inadequate as these batteries are far heavier than gasoline; if you have a serious accident that compromises the frame of the car you really can't guarantee that the battery container is going to be unperturbed. There needs to be two or more dedicated safety measures to contain or divert the energy from the batteries away from the occupants in the event of damage.

  2. Have they figured out the safety aspect? on Carbon Nanotube Batteries Pack More Punch · · Score: 4, Interesting

    Will they be able to prevent thermal runaway in these better than in, say Lithium based batteries? As density goes up this needs to be more of a concern. Laptops melting down are one thing, but imagine the havoc of a car exploding due to battery failure. That's the last thing the electric car movement needs to have happen.

  3. Re:Kill Bill on Movie Studio Finally Sees the Light On Rentals · · Score: 1

    Standard movie length is over 3 hours now?

    It may not be standard, but Disney's Kill Bill was so long they had to release it in two installments. A lot of made-for-TV movies are the same way.

    *Disney's* Kill Bill? Did you see the movie? Disney, it ain't. Maybe that was a joke I missed?

  4. Re:About time! on Movie Studio Finally Sees the Light On Rentals · · Score: 1

    You're still being forced to pay $1 (or more depending on how much the price exceeds $20) for every single movie you or your friends wants to see. Surely there are movies you would rather not see... Right? Just go to a RedBox or similar $1-per-rental outfit and rent only what you want.

    Plus, there's no in-fighting between you and your 19 "close friends" over who gets to keep Avatar on their DVD shelf...

  5. Re:Asmounding! on Movie Studio Finally Sees the Light On Rentals · · Score: 5, Insightful

    Is a $1 (perhaps $1.50 or whatever bluray ends up costing at the 'box) really "paying through the eyeballs"? That's the big deal here, it used to be that Blockbuster was the only outfit to rent from, and new releases are regularly $5 or more per day from them. Now, the 'box will rent them for $1 or so, and you can find one at tons of convenient places and there's no pimply guy behind a counter to eye you for renting a chick flick (or even require a voided check, social security card, and fingerprint before 'allowing' you to be a customer). Just swipe any credit card and you get your movie. Digital distribution may be a little ways off yet, but this is surely a step in the right direction (and away from overpriced brick and mortar rental places.)

  6. You know what would pave the way? on Afghan Tech Minerals — Cure, Curse, Or Hype? · · Score: 3, Insightful

    How about turning back the clock to 1978 and stopping Afghanistan from winding up in the middle of the US/Soviet pissing contest? Don't get me wrong, I fully think the Soviets are to blame for spoiling a hundred years of hard work by the Afghanis. But, it's all too easy to wonder what the world would have been like if the "communist threat" could have stayed inside Russia's borders, through decisive action instead of slow, "cold" influences on the region. Heck, in hindsight they may have been better off just becoming a part of the Soviet Union; we see a lot less terrorism and unrest out of the former Soviet states than this one that "won" against them. It's hard to argue that Afghanistan of today is in any better shape than the Soviet Union was at any point in it's past; if they had started rebuilding in 1991 instead of 20?? who knows how close they could be to a functioning country again.

    For a look into what Afghanistan was like (and in all likelihood would still be like without direct foreign intervention) see this story: http://www.npr.org/templates/story/story.php?storyId=127914602

  7. Re:Status.... Um.... What? on FSF Starts Anti-ACTA Campaign · · Score: 1

    LOL; this coming from someone who couldn't figure out how to log in. That's rich. I think YOU are the status quo. DIAF.

  8. Re:Status.... Um.... What? on FSF Starts Anti-ACTA Campaign · · Score: -1, Troll

    I get it, but his attempts at eloquence are lost on me.

    He could have just said "If we complain about ACTA and say we want to keep what we have, it means we are OK with what we have. Instead, I propose that we insist that both ACTA and the current state of Copyright laws is less than ideal. I will now present valid reasons that have nothing to do with my resenting corporate wealth..."

    It would have been a lot easier to read. RTFA is for suckers.

  9. Status.... Um.... What? on FSF Starts Anti-ACTA Campaign · · Score: -1, Redundant

    There were so many uses of the term "status quo", "ideal", and "worse" that I lost track. I now, quite frankly, am confused enough to not care. Is the status quo ideal or worse? Oh Stallman.

  10. Re:I would like it... on Why Intel Wants To Network Your Clothes Dryer · · Score: 1

    Washer A (of the future) takes 47 minutes at minimal clothes load; 57 minutes at 50% of max and 65 minutes at 100% capacity (calculated on the fly). Add or subtract 10% for selected soil grade. Still have that in your head? Now, your wife insists on permanent press (shorter cycle) and that the clothes don't have any down time in the washer before being hung or moved to the dryer.

    How long before you come back to the basement to check on the clothes? FYI, the future is here and this is the problem I face daily :-(

  11. Re:What is an IT department? on Where Does IT Fall Within Your Organization? · · Score: 3, Insightful

    Sounds like a company fit to be in an Apple commercial. Back in the real world, there are a lot of companies that can't unbox the computer in front of the employee, let them set their own password and then get busily to work. Having worked for a lot of these places, I can say that very little time is spent on OS related tasks (that magically are "better" on a Mac). Niche third party apps (or worse, home grown apps) that are business critical can quickly monopolize time in rollout, maintenance, and user training. Macs are not special when it comes to this; you just happen to work at a place that uses computers casually enough that basic software fits your needs. Good for you.

  12. Foreign? Really? on DTV Transition - One Year Later · · Score: 1

    You must have one *hell* of a good antenna to be able to pick up foreign programming from the USA (unless Canadian counts, to me it does not.)

    Anyway, complaints are on the high side, especially for people who used to be OK with watching a half-static station. It's simply time to get a more specific antenna (since the frequencies for the new ATSC range are closer together) and a cheap amplifier (most cheap antenna kits now come with them) and see what that can do for you. I am 10 to 30 miles away from my regional stations and can get a solid signal on all of them with a cheap antenna at ground level. Add a little elevation and it should work equally well at greater distances. Elevation is key.

  13. Re:What does a normal rack consume? on SeaMicro Unveils 512 Atom-Based Server · · Score: 1

    A typical 1 U server (2 processor 4 cores each) can consume between 300 and 500 watts. So 42 of them (the number in a rack) would give 336 cores at between 12kw and 21kw. As a rough number for reasonable performance servers, 300 to 500 watts per U is about what you'll find. Sure, you can find more powerful and less powerful servers, but that's a decent figure...

    So, since this is an 8U at 8000W, it consumes rather a lot MORE power than 8 1U machines. At least twice as much if going with 500W.

    So, not counting the potential cooling problems, to be competitive in performance-per-watts, it would have to provide more than the power of 16 1U dual-quad-core machines, or 128 Xeon cores.
    Of that, I have my doubts.

    Eh, fail. It's 8000W for all 42U (presuming you put 4 2000W chassis in there).

    And as an aside to the first number thrown out (300 to 500w/u) that's a little high since most servers with a 500w nameplate will, at full load, only run in the 350-400w range, and that's atypical since most servers don't spend much time at 100% usage except in rare, specific applications. Building for 20KW/rack (or beyond) is on the high end right now, with most data centers still OK with 5-10KW/rack.

  14. Re:Why do I not trust their numbers? on O2 Scraps Unlimited Data Usage For Smartphones · · Score: 1

    Make killing people illegal, and people spend a lot less time thinking about it! That's the point. It works. There will be abusers but on the whole it works.

  15. Re:Why do I not trust their numbers? on O2 Scraps Unlimited Data Usage For Smartphones · · Score: 1

    Maybe you misunderstood me... My apologies. I am saying that when it comes to Verizon at least, they specifically state in the contract that tethering and a few other activities on handsets are forbidden under the all-you-can-eat plan and so far they seem to be doing pretty well with maintaining network speeds and keeping costs (relatively) low. Proof or no proof, this model works.

    Whether or not they need concrete proof to boot you off the network is subject to the situation, but from an everyday use perspective I can say that this provision of their service works great. I use my handset as it was intended, and never have to worry about how much data is getting used.

  16. Re:Why do I not trust their numbers? on O2 Scraps Unlimited Data Usage For Smartphones · · Score: 1

    'In the end' there is enough fine print in ANY cell phone contract giving the carrier permission to do pretty much whatever they want to you, including terminate your contract and assess "overages" related to the infringing bandwidth use. Go ahead, look. I will wait.

  17. Re:Why do I not trust their numbers? on O2 Scraps Unlimited Data Usage For Smartphones · · Score: 1

    Is this meant to be a troll (your karma speaks poorly of you)? Verizon data plans for handsets specifically include unlimited data usage. What would they be adding 5GB/mo to exactly? Did the phone(s) have pay-per-mb data on them previously?

  18. Re:Why do I not trust their numbers? on O2 Scraps Unlimited Data Usage For Smartphones · · Score: 1

    You would be surprised what the carrier knows about your phone. Try to rack up 65GB a month and see if they still don't know you're tethering. I dare ya.

  19. Re:look, i like making fun of star trek technobabb on How To Destroy a Black Hole · · Score: 1

    I have a pair of highly reflective scissors that say your idea won't hold up well in a duel... And for what it's worth handheld lasers (in the 500mw range) than can 'burn' flesh for the most part just blacken it, and have a relatively short duty cycle (10s/min for example) and lasers with enough power to reliably cut through things (such as those used in surgery, research, or manufacturing) are 100 or 2000 times as powerful (in the 50w to 1000w range) and also use an entirely different process (chemical) versus handheld lasers.

    We might get there, but I would put money on clean fusion power before lightsabers or a lightsaber-equivalent portable device.

  20. Re:Why do I not trust their numbers? on O2 Scraps Unlimited Data Usage For Smartphones · · Score: 2, Informative

    They actually insisted this was accurate: "And indeed, when I put that scenario to O2’s press office, the spokesperson said that’s exactly what’s happening."

    Someone downloading 65GB per month needs to do over 2GB a day. Let's just say they can keep themselves in front of their phones and clicking away downloading for 12 hours a day ever day. That's a constant 47KB/sec worth of material. To *a phone*, nonstop. If these numbers are even remotely true, those heavy hitters have to be tethering their phones. If tethering is OK for O2, they should either cut that out of their AUP or say "tetherers will be forced up a pricing tier and capped" and leave the rest of the handset-only users be. This is basically the solution Verizon Wireless here in the US has come to; although it still wouldn't surprise me if they eventually went to a tier system with some silly explanation just as AT&T and O2 have done.

  21. Re:You'd get blasted with raw energy on How To Destroy a Black Hole · · Score: 5, Funny

    Peel back an Event Horizon? Get blasted with Radiation/Exotic particles,etc... Um just think what happens to the axis area... They are evaporating just not in a observable curvature that we can understand or detect.

    Hey Hawkins back me up on this...

    <robotic voice> that's what she said. ha. ha. ha.

  22. Re:look, i like making fun of star trek technobabb on How To Destroy a Black Hole · · Score: 1

    If by next generation you mean the next generation of the human species... There is this annoying problem with lasers that they tend to not really stop until they hit something. Make them as powerful as you want, until we crack how to make light "expire" any time you fire up your human slicer/dicer it will also slice/dice whatever else is around you too. Perhaps one case where a glass house is a good idea. And then, we need it form a beam that behaves as a force field and/or solid object (to allow for dramatic duels.)

    Crack those little catches, oh and increase the power by about ten thousand fold at least, and you might have something like a Light Saber.

  23. Look what happens when you value them up on Why No Billion-Dollar Open Source Companies? · · Score: 1

    We gave VA Linux their shot... And look what happened. I'm not going to point blame but Eric S Raymond did happen to issue the most epic "who would have thought" letter to the world proclaiming how gifted he was, shortly before his share of the company dropped in value from some $40 Million to about $4 Million (and falling).

    Open source simply isn't about the money, after all. Try to muddle it up with dollars and cents, and you will end up with Windows.

  24. Re:Let's kill Flash on Adobe Goes To Flash 10.1, Forgoes Security Fix For 10 · · Score: 1

    To what end? Do you honestly think they will get rid of flash because support calls are costing them too much money? Here's what will happen; after they see all the time being wasted on flash complainers, they will either put in a menu option that says "for all questions regarding flash use on our web site, press 8 to be put on hold for 5 minutes then disconnected"... Or, more likely just ship all the work off to Manila where you can take up as much of their time as you want since it costs the company pennies on the dollar.

    Good thinking!

  25. Let me get this straight on Official Kanji Count Increasing Due To Electronics · · Score: -1, Troll

    Something developed in China is being bastardized by a foreign country who basically copied it and is changing it at it's will?

    Is this that irony I have been hearing so much about?