Slashdot Mirror


Students Power Supercomputer with Bicycles

inkslinger77 writes "A team of ten MIT students powered a supercomputer for twenty minutes by pedaling bicycles. They duly claimed the world record for human-powered computing (HPC). They powered a SiCortex SC648 supercomputer with a Linux cluster of 648 CPUs and almost 1TB of main memory in a single cabinet. The system is low-powered and draws 1,200 watts without needing special power supplies or cooling..."

148 comments

  1. Question by Misanthrope · · Score: 4, Funny

    One MIT student is how many foot pounds per second?

    1. Re:Question by glomph · · Score: 5, Funny

      MIT measures its resident nerds using the International Smoot scale.

    2. Re:Question by K.+S.+Kyosuke · · Score: 1

      Not suprisingly, the AC's link leads to myminicity.com. Unless you want to move, don't click it.

      --
      Ezekiel 23:20
    3. Re:Question by proudfoot · · Score: 4, Funny

      Imagine a beowulf cluster of these! ...i hope they wear deodorant.

    4. Re:Question by Valdrax · · Score: 4, Funny

      Well, assuming a lack of friction or air resistance and perfectly spherical MIT students...

      --
      If it's for-profit but free, you're not the customer -- you're the product (e.g., the Slashdot Beta's "audience").
    5. Re:Question by Anonymous Coward · · Score: 0

      This game is gay as hell. Why do people play it?

    6. Re:Question by bytesex · · Score: 0, Offtopic

      Can someone please explain why all these dorks are spamming links to minicity on slashdot recently ? What is it ? And why do they need our clicks ? Do they get free 'houses' to build or something in exchange for ad-eyeballs ?

      --
      Religion is what happens when nature strikes and groupthink goes wrong.
    7. Re:Question by Kyojin · · Score: 1

      I don't quite see the amusement value, but the following occurs:

      Each person can click once per day to increase a particular aspect of a person's city. The more clicks, the more increases.

      There are two reasons to link spam:

      1.) Get your city some growth. This increases the rank of your city.
      2.) Link to somebody else's city linking to a particular aspect like industry, which if enough people click will screw the balance of their city, e.g. high industry increases crime. This lowers the rank of their city.

    8. Re:Question by nopain-nogain · · Score: 2, Interesting

      10 guys, 1200watts... looool 20 minutes? even more lol... at my last performance diagnostics i had 320watts at the lactacid threshold, wich means this can be done for HOURS! ;)

    9. Re:Question by nerdyalien · · Score: 0

      where was the BEAVERS ??? they would've done much greater job.... perhaps they were trouble-shooting the cluster...

    10. Re:Question by Frnknstn · · Score: 1

      A guy I know recently started spamming these links all over the place. Turns out it is now the new 4chan fashion to play this game.

      --
      If it's in you sig, it's in your post.
    11. Re:Question by Yetihehe · · Score: 2, Informative

      You must be superhuman. Best cyclists can endure 200 wats for few hours. I could make 200w for 5 minutes (tested on ergometer).

      --
      Extreme Programming - Redundant Array of Inexpensive Developers
    12. Re:Question by Fian · · Score: 1

      I can sustain about 270-300W for an hour and about 210W for 3 hours - measured using a PowerTap. On average I ride about 200kms/wk but I'm no serious (racing) cyclist, just a "get fit" kinda guy. So no I don't think superhuman is required.

    13. Re:Question by nopain-nogain · · Score: 2, Interesting

      no i'm no superman, i'm only a seriouse mtb racing dude. the 300watts thresshold is my average marathon level (120km).
      i have 4,1watts per kilo gramm body mass. tour de france dudes have about 5 w/kg.
      so the 120w they are pedaling is (unless they wheight about 30kilos or so) really onle recreation ;) and schould be done for hours.
      for those who wonder what i am doin here... yes i do studi informatik in germany ;p
      black forrest 4 the win!

    14. Re:Question by pipatron · · Score: 1

      perfectly spherical MIT students

      That's probably not very far off from real observed values

      --
      c++; /* this makes c bigger but returns the old value */
    15. Re:Question by Yetihehe · · Score: 1

      Or they just aren't fit. I'm cycling only about 100km/month and would have about 1.5w/kg. It's not like a normal person not doing excercise could do 200w for hours.

      --
      Extreme Programming - Redundant Array of Inexpensive Developers
    16. Re:Question by Simon+Brooke · · Score: 5, Informative

      You must be superhuman. Best cyclists can endure 200 wats for few hours. I could make 200w for 5 minutes (tested on ergometer).

      Actually, you're well wrong. Cycling, like anything else, is about power to weight ratio. Lance Armstrong, in training, could output 6.8 watts per kilogramme, which on his body weight of 74Kg is just over 500 watts. Some of the big fast guys (Tom Boonen, Magnus Backstedt) can sustain really startling outputs for long periods of time. I have a friend who peaks around 600 watts and can sustain better than 400 all day; but on his 102Kg that's only 6 watts per Kg. That's strictly amateur - he's fast for us, but he couldn't compete with the pros.

      There's nothing at all hard about 200 watts. Any club cyclist who can do a ten mile time trial at evens is sustaining 4.8 watts/Kg for half an hour. I can do that, and I'm probably old enough to be your grandfather. I weigh 82Kg, so for me that's 381 watts. And I can certainly do 200 watts (13.5mph on the flat, for someone my weight) for eight hours continuous without difficulty.

      --
      I'm old enough to remember when discussions on Slashdot were well informed.
    17. Re:Question by kcbanner · · Score: 0

      The answer to that question should seem obvious.

      --
      Obligatory blog plug: http://www.caseybanner.ca/
    18. Re:Question by smussman · · Score: 1

      2.) Link to somebody else's city linking to a particular aspect like industry, which if enough people click will screw the balance of their city, e.g. high industry increases crime. This lowers the rank of their city. Not trying to give us any ideas, are you?
    19. Re:Question by Anonymous Coward · · Score: 1, Funny

      They tried to power Vista but could only manage 3 seconds with the same amount of effort.

    20. Re:Question by Anonymous Coward · · Score: 0

      Your numbers are outrageously off. I train regularly using a Polar power output meter and for a 25-100 mile run will average around 220 watts @ 20mph, and I finish in the front 10-15% of traithlons. If you have access to a stationary bicycle that displays watts real time, try 260 watts for even 5-10 minutes.

      200 watts is actually equivalent to about 20 mph on flat at sea level depending on your aerodynamics. See link below for numbers.

      http://www.kreuzotter.de/english/espeed.htm/

    21. Re:Question by somersault · · Score: 1

      Sure.. it seems obvious, but then you get close and you're just like what the hell??..

      --
      which is totally what she said
    22. Re:Question by Walt+Dismal · · Score: 2, Funny

      Hell, imagine a supercomputer cluster powered by French bicycle racers on steroids. With no deodorant. And garlic. in a small room.

    23. Re:Question by davidsyes · · Score: 1

      How many pedal-flops is one MIT student?

      --
      Previously: "Linux... Toward the Sunrise..." Now: "Linux... Toward the-- No, now, part of Every Sunrise"
    24. Re:Question by PitaBred · · Score: 1

      Did you kill him? Will you? Please?

    25. Re:Question by Anonymous Coward · · Score: 0

      bleep, blorp, you lost all the nerds and geeks who read this stuff when you started weighing yourself in kilograms - although their progressive minds thought it was neat for a second and wondered what country you reside in outside the US(email domain name confirmed it for them). It was when you went on about physical exercise that you totally lost them off the deep end. Maintain a physical endurance output all day?? Ride a 10 mile trial?? That does not compute... This supercomputer ran for 20 minutes and they all went back to slurping mountain dew at the MIT labs. :-) ;-)

    26. Re:Question by ahaile · · Score: 1

      www.analyticcycling.com is a cycling geek's best friend.

      And your numbers are just as bad as the guy above you, only in the opposite direction.

      6.0 w/kg, which you say your "amateur" friend can do, is enough to win many Grand Tour climbs. Lance was only ever confirmed at 6.3. Your average recreational cyclist is around 3, beginning racer around 4, local elite racer 5, pros around 6. See this chart.

      13.5mph is about 100 watts, not 200.

  2. Heh... by sapphire+wyvern · · Score: 5, Funny

    So, the students don't run Linux... they bicycle it instead!

    1. Re:Heh... by Barny · · Score: 5, Funny

      Well, at least they are getting good at "power cycling the server" :P

      --
      ...
      /me sighs
    2. Re:Heh... by Xiph1980 · · Score: 2, Funny

      so.... is this now superhumancomputing? I would've imagined something different. ___ / \ \ S / \ /

      --
      Manuals are your last resort only
    3. Re:Heh... by Xiph1980 · · Score: 1

      That didn't come out correctly.... :P

      I would've thought the tt tag would add returns by itself.. anyway. here goes again:
      ___
      / \
      \ S /
      \ /


      --
      Manuals are your last resort only
    4. Re:Heh... by Xiph1980 · · Score: 1

      ahh crap.

      Well, it should've been a superman ascii art thingy. :/

      --
      Manuals are your last resort only
    5. Re:Heh... by Anonymous Coward · · Score: 0

      Ride the Penguin!

      So, what's that in kilowaddles?

    6. Re:Heh... by Ankur+Dave · · Score: 1

      Hehe, that's the pre tag, which the lameness filter doesn't allow.

    7. Re:Heh... by srussia · · Score: 1

      In soviet russia linux runs you! I AM Soviet Russia, and I run my electric bicycle from my MacBook's FW port!
      --
      Set your phasers on "funky"!
    8. Re:Heh... by It'sYerMam · · Score: 1

      Still not heard of the preview button, then?

      --
      im in ur .sig, writin ur memes.
    9. Re:Heh... by Anonymous Coward · · Score: 0

      Lameness filter encountered. Post aborted! Reason: Your comment looks too much like ascii art.
      .__.
      /.....\
      \.S./
      ..\./

    10. Re:Heh... by somersault · · Score: 1

      that looks like a lil emo dude with his intestines hanging out.. ._.

      --
      which is totally what she said
  3. Solution to clean energy crisis by Carbon016 · · Score: 0, Redundant

    A Beowulf cluster of bicycle-laden MIT students.

    I feel suddenly dirty.

    1. Re:Solution to clean energy crisis by Anonymous Coward · · Score: 0

      A Beowulf cluster of bicycle-laden MIT students. Wait, African or Eur... oh, fuck it. We all know they're Asian these days.
  4. But these are MIT students... by CookieOfFortune · · Score: 4, Funny

    imagine how long the students of any other university would be able to power them!

    1. Re:But these are MIT students... by Adambomb · · Score: 3, Funny

      Free beer for every kilowatt-hour, Energy crisis solved.

      "Screw ethanol, we're green the hops way! Take that corn industry!"

      --
      Ice Cream has no bones.
    2. Re:But these are MIT students... by irtza · · Score: 3, Funny

      Free beer for every kilowatt-hour, Energy crisis solved.

      "Screw ethanol, we're green the hops way! Take that corn industry!"
      Well, your solution apparently still requires ethanol to be burned. Just that the powerplant is in human form.
      --
      When all else fails, try.
    3. Re:But these are MIT students... by mpe · · Score: 1

      Free beer for every kilowatt-hour, Energy crisis solved.
      "Screw ethanol, we're green the hops way! Take that corn industry!"


      Maybe you could have they wash tortias down with their beer.
      Of course the real issue with the "corn industry" is it isn't necessary to make fuel ethanol from perfectly good food. Far more sensible would be to either use a a waste product or a plant which grows as a weed on non agricultural land.

    4. Re:But these are MIT students... by gstoddart · · Score: 1

      Free beer for every kilowatt-hour, Energy crisis solved.

      "Screw ethanol, we're green the hops way! Take that corn industry!"

      And, many American brands of beer actually use corn as some of the sugar for making beer.

      So, you're not gonna get away from corn that readily.

      Cheers
      --
      Lost at C:>. Found at C.
    5. Re:But these are MIT students... by Adambomb · · Score: 1

      was more ripping on the fact that the focus on corn-based ethanol is a rather back-scratchy situation, but i hear ya =)

      --
      Ice Cream has no bones.
    6. Re:But these are MIT students... by Anonymous Coward · · Score: 0

      Well, your solution apparently still requires ethanol to be burned. Just that the powerplant is in human form.

      Are you implying there's a downside to burning ethanol in humans instead of machines?

  5. In the future.... by carpe_noctem · · Score: 1, Funny

    In the future, which I imagine shall be very much like "Mad Max", this is what shall be required to run SP3 of Windows Vista....

    --
    "Quoting famous computer scientists out of context is the root of all evil (or at least most of it) in programming." - K
    1. Re:In the future.... by PopeRatzo · · Score: 1

      I would rather be able to run my bicycle with a supercomputer.

      --
      You are welcome on my lawn.
  6. Matrix? by ThreeGigs · · Score: 3, Funny

    Oh great, next they'll invent SkyNet.

    If one of those guys goes by the nick 'Neo', I'm gonna get worried.

    1. Re:Matrix? by SnoopJeDi · · Score: 2, Funny

      Actually, since this runs without special cooling needs, I'd be worried about a certain ZeroCool getting in on it.

    2. Re:Matrix? by Mythrix · · Score: 1

      But what threat would SkyNet be if the robots power down whenever we stop bicycling?

    3. Re:Matrix? by Anonymous Coward · · Score: 0

      I'd be worried about a certain ZeroCool getting in on it. Don't worry, Crash doesn't use that name anymore...
    4. Re:Matrix? by jajimo · · Score: 1

      They already did invent SkyNET. It runs a network of British defense satellites:

      http://en.wikipedia.org/wiki/Skynet_(satellites)

    5. Re:Matrix? by pushing-robot · · Score: 1

      They'll build bicycling robots. Nuclear-powered bicycling robots. Then it will be too late.

      --
      How can I believe you when you tell me what I don't want to hear?
  7. Wasted Their Breath by LaskoVortex · · Score: 5, Insightful

    They should have just gone over to the nearest administrative offices and unplugged all of the CRTs running "screen savers". This would have freed power to run the computer even longer and wouldn't have been as tiring.

    --
    Just callin' it like I see it.
    1. Re:Wasted Their Breath by cow+ninja · · Score: 1

      You do realize that SiCortex makes mips clusters right? They are already low power and do not have a CRT attached. They typically run a modified version of Gentoo, you just ssh in and submit a job to the scheduler, just like any HPC (expect maybe Windows HPC, I don't know how that works).

      Unplugging CRTs would not help at all because there aren't any CRTs.

  8. How about kicking? by CrackPipePls · · Score: 3, Funny

    Not really that useful and interesting How about taking a look into "powered by kicking" technology, make it available to the average joe, millions of kWh of power will be saved across the globe on a daily basis from frustrated computer users

    1. Re:How about kicking? by NewbieProgrammerMan · · Score: 2, Funny

      must...resist...making...Chuck...Norris...reference...

      --
      [b.belong('us') for b in bases if b.owner() == 'you']
    2. Re:How about kicking? by lekhak · · Score: 1

      For "Powered by kicking" technology you need to run on Windows 98 - Not sure a whole lot of people want to go back to Windows 98. Vista seems promising on that front with the improved CPU / memory hogging technologies.

  9. Oh dear. by ChePibe · · Score: 4, Funny

    It used to be research.

    Then little errands. Get the professor a coke, pick up his stuff.

    Then acting as tech support.

    Then doing all the prof's work for him.

    And now... running the system by the sweat of your brow.

    We must draw the line somewhere, folks. Free labor has its limits!

    This cannot bode well for graduate students... well... maybe for the chunky among us... but let's hope this doesn't catch on. I can already see profs carried about on the shoulders to and from meetings...

    1. Re:Oh dear. by coldcell · · Score: 1

      This cannot bode well for graduate students... well... maybe for the chunky among us... but let's hope this doesn't catch on. I can already see profs carried about on the shoulders to and from meetings... Clearly you haven't been to Cambridge...
      --
      Launchy.net changed my world.
    2. Re:Oh dear. by Kamineko · · Score: 1

      Isn't the system entitled to the sweat of your brow?

  10. Re:YAWN by khellendros1984 · · Score: 1

    Thanks for degrading Slashdot. Jerk.

    --
    It is pitch black. You are likely to be eaten by a grue.
  11. typical laptop=100 watts? by danwat1234 · · Score: 1

    An Excerpt from the article:: "An SC648 chip, with six processors on it, draws around 8 watts of power, which compares to a typical notebook computer CPU needing 100 watts, according to SiCortex CEO John Mucci." Yea, my sister's p4-HT 3GHZ laptop CPU only takes 88 watts max. I guess they meant the average power consumption of the whole laptop, averaging across all models on the market? Well, obviously the statement in the article is bogus. http://processorfinder.intel.com/details.aspx?sSpec=SL7DT

    1. Re:typical laptop=100 watts? by FinestLittleSpace · · Score: 1

      How can you claim something is bogus by stating one single example? You haven't even taken an average of a few chips like you seem to presume they have!

    2. Re:typical laptop=100 watts? by s.carr1024 · · Score: 1

      An Excerpt from the article:: "An SC648 chip, with six processors on it, draws around 8 watts of power, which compares to a typical notebook computer CPU needing 100 watts, according to SiCortex CEO John Mucci." Yea, my sister's p4-HT 3GHZ laptop CPU only takes 88 watts max. I guess they meant the average power consumption of the whole laptop, averaging across all models on the market? Well, obviously the statement in the article is bogus. http://processorfinder.intel.com/details.aspx?sSpec=SL7DT [intel.com]


      How can you claim something is bogus by stating one single example? You haven't even taken an average of a few chips like you seem to presume they have!
      The 88 Watts that he called out is the Worst Case power consumption. In normal operation the power consumption will be much less. Here are some power consumption numbers http://en.wikipedia.org/wiki/CPU_power_dissipation (100 appear to be a bit high for the average)

      TFA doesn't specify whether the 8 watts he is claiming for the super computer's processors is worst case or not. Or even if the 100 watts he is claiming for the laptop is worst case or not. If he is comparing normal operation for the super computer to worst case for a normal laptop that is obviously foul play.

      In the end, you would hope a journalist would clarify if the numbers are worst case or not. However, even if 8 watts is normal operation it is fairly apparent that the supercomputer is more power efficient that a normal laptop. This is expected though. Massed produced laptops are not built with the best technology avaiable. Instead, they have the most cost-efficient technology. The supercomputer probably cost tens of thousands (possibly more, the SiCortex website doesn't have pricing). Your laptop probably cost one thousand or less. Claiming that this supercomputer has good power consumption based on comparing it to a normal laptop is like claiming a Formula 1 car is really fast by comparing it to a Toyota Prius. They are built for completely different purposes. He should be comparing his supercomputer to other supercomputers (or normal computers) built with power efficiency as the main goal.
    3. Re:typical laptop=100 watts? by danwat1234 · · Score: 1

      Well, the Pentium 4 laptop chip is the most power inefficient of all the other CPUs that have ever been in a laptop. I have a pentium M laptop, and by watching the discharge rate of the battery in milliwatts, I can see the power consumption of the machine before the AC adapter. If I am crunching a seti@home work unit(i.e.: 100% CPU usage), full screen brightness, the GPU is idle because I am not gaming, it reads 31500 milliwatts. Then, given oh 65% efficiency of my AC adapter:: 31.5 watts *.35=11.025 watts +31.5=42.525 watts total power consumption! My laptop may take as much as 55 watts when totally maxed out with gaming and disk defragmenting and such. That is the power consumption of my entire laptop, not just the chip. So, there are then the [AMD Turion 64, AMD Turion 64 x2, K6-2, K6-3, Barcelona],Pentium 3 -M, 2-M and Pentium 1m, core duo, core 2 duo, and now Penryn. All Of the Intel chips listed above are rated at or below 35 watts (Thermal design power). Go ahead look them up. A high-end Pentium-4M chip is the worst case, and I'm sure some take more than 100 watts. But the average across all those CPUS (not the whole system), if they are completely maxxed out, is less than 60w, guaranteed. Yes, that's an assumption, but there is no way in heaven that I am wrong.

  12. Manufacturing uses energy too by TurboStar · · Score: 1, Interesting

    "A spokesperson said that the human-powered session produced more computations than took place in the first 3,000 years of civilization." Except that they didn't pedal enough cover the development and manufacturing costs.

    1. Re:Manufacturing uses energy too by jacquesm · · Score: 1

      interesting ? Rubbish! Just because a spokesperson says it doesn't make it true. Ask Scot McLellan :)
      The first 3,000 years of civilization ?? When hardly anybody was literate and counting was like 1,2, many ?
      Come off it, of all the nonsense comparisons this one really is far out. Is a year of ancient civilization now a performance benchmark ?

    2. Re:Manufacturing uses energy too by stevie.f · · Score: 1

      Microsoft would love if it was!

  13. Welcome to the ENIAC demo competition! by newsdee · · Score: 2, Funny

    Oh man, I had written the below ages ago, and now there's a relevant story on /. !
    (yes I could claim prior art but I'm not SCO ;-D )

    !!! welcome to the ENIAC democompo!!!

    We are happy to announce the opening of the first demoparty dedicated to the ENIAC.
    If you wish to participate, please agree to observe the following party rules:

    1) Bring your own ENIACs. We do not want to see viruses on our system.

    2) If you plug your ENIAC to the wall power plug, the PC, Amiga and Atari ST demomakers will saw your head off. At your own risk.

    3) To give electrical power to your machine, we provide a bicycle room with attached generators. Please let us know a week in advance of the size of your group, so that we can get enough bicycles for everyone.

    4) You are responsible of finding your own spot in the party room. Our ENIAC is already taking half of the available space.

    5) It is forbidden to step on the wires.

    6) "Flame" demo effects are forbidden. When we tried to achieve one, the vacuum tubes caught fire and we had to call 911. They were not very happy about it.

    7) It is forbidden to spray paint graffiti on our ENIAC.

    8) Domestic animals are forbidden. We will not pay for any damage caused by the stench of burned fur coming out of relay boxes.

    9) You are responsible looking after your ENIAC. Dishonest persons may want to steal it at night.

    10) It is STRICTLY forbidden to sleep on top of the ENIAC units.

    11) Bring your own spare vacuum tubes and resistors. If you forget them you can buy them at the party but we will set the price... don't say we didn't tell you...

    12) Musical creations are forbidden. Our musician tried to compose something and provoked the death of five dogs while trying to complete "Woof Woof ZAPPP !!", played with his newly created Music Tracker "LiveWireDogeeh".

    13) Graphical creations are forbidden. Our graphist found a horrible death after making a vacuum tube box explode in an attempt to automatically create a drawing of Pamela Anderson on the floor with the glass shards. The result was not so great anyways.

    14) The Bicycle Room has an excellent drink vending machine [rubs hands].

    15) The coders are not allowed to access the ENIAC switches while the demo is running.

    16) Any vacuum tube that fries during the demo cannot be replaced.

    17) The "Plasma", "Shadebobs" or "Lens" demo effects are forbidden. Our coder placed some pot in the relay box so that we were stoned by the smoke and saw all kind of weird stuff.

    18) If somebody does not respect these rules, people may be pissed off and quit the ENIAC scene !

    The competition prices are as follows:

    1. A brand new ENIAC
    2. A Z80 building kit for every member of the group.
    3. A box of General Electric vacuum tubes.

    Good luck !

  14. OSPC project by Anonymous Coward · · Score: 0

    If the children walk in and become cyborgs, they won't be hungry!

  15. or more usefully, by supernova87a · · Score: 1

    maybe the students could save more energy by spending that time on optimizing their code....

    1. Re:or more usefully, by aadvancedGIR · · Score: 1

      Absolutely, it is indeed frightening to see students from the top american technology college show pride in doing grunt physical work instead of using their brain, and even worse to see that on /. instead of Sport Illustrated.

  16. As a Human Powered Vehicle enthusiast... by AnarchyDuck · · Score: 1

    ...I really like the idea of low-powered computing. In the last week we already saw a SSD 'disk' with SATA interface presented here that only uses .3Watts. We may not call our PDA's supercomputers these days, but one day in the past, the Big Iron systems used as supercomputing stations were slower than our PDA's can emulate them.

  17. Sounds like a good way by G-News.ch · · Score: 1

    to solve two prominent US problems: Too much CO2 output due to excessive energy consumption and a lot of overweight people. Solution: have them power something by pedaling for a little longer than 20 minutes, though.

    1. Re:Sounds like a good way by Titoxd · · Score: 1

      For the second problem, powering your computer for 30 minutes daily should be enough for most people...

  18. New record? by Titoxd · · Score: 4, Interesting

    OK, so they broke the record for human-powered computing. But what was the previous record? Was there even such a thing as a previous record? How is this new record actually measured? You know that more people will now try to break the MIT mark, and TFA is rather scant on details...

    1. Re:New record? by DMoylan · · Score: 1

      what was the most difficult sum calculated on an abacus?

      weren't the original adding machines hand cranked?

      at least a starting point.

  19. Most... Pathetic... Story... Ever by ishmaelflood · · Score: 4, Insightful

    Well fuck me dead, somebody has figured out how to convert mechanical work into electrical energy. Trust those whacky kids at MIT to pull it off.

    1. Re:Most... Pathetic... Story... Ever by KingofSpades · · Score: 1

      Moderate parent up, please. This is not news for nerds. And it doesn't matter the least.

    2. Re:Most... Pathetic... Story... Ever by Glowing+Fish · · Score: 1

      "Well fuck me dead"...given the rest of your post, this brings up unpleasant images of your orifices being outfitted with devices to turn friction into electricity.

      --
      Hopefully I didn't put any [] around my words.
    3. Re:Most... Pathetic... Story... Ever by innerweb · · Score: 1

      Now, that is funny! Thanks for the morning laugh, it is the best way to start off the day.

      Next thing, maybe they will create a device to store some of the *mechanical work* to be used later to convert into electrical energy.

      InnerWeb

      --
      Freud might say that Intelligent Design is religion's ID.
  20. What I find impressive... by Valdrax · · Score: 1

    What I find impressive is the fact that apparently, the average power output of each cyclist was at least 120 W. I remember seeing someone use a bike generator to make a 40 W bulb dimly flicker when I was a kid. Either generators have gotten a heck of a lot more efficient or these people are serious athletes.

    --
    If it's for-profit but free, you're not the customer -- you're the product (e.g., the Slashdot Beta's "audience").
    1. Re:What I find impressive... by MichaelSmith · · Score: 2, Informative

      What I find impressive is the fact that apparently, the average power output of each cyclist was at least 120 W

      A quick google suggests that 400 W is about right for a rider in good condition for a short time.

    2. Re:What I find impressive... by SlashV · · Score: 1

      In fact 120W is rather poor. A reasonably fit person will easily produce 200W, while professional cyclists will output 500W or more...

    3. Re:What I find impressive... by zcat_NZ · · Score: 1

      My 10 and 12yo daughters managed to brightly light and then burn out a 12V 100W halogen bulb entirely by pedal power. The older one was peddling, while the younger daughter held an old DC motor against the wheel to act as a generator.

      I was quite impressed.

      --
      455fe10422ca29c4933f95052b792ab2
    4. Re:What I find impressive... by Anonymous Coward · · Score: 0

      Not really.

      The typical output for a normal person is much more than that; for example, riding for 20 km, at an average of 26 km/h and with a combined weight (8 kg bike + 75 kg biker) of 83 kg gives an average of 226 W (and that is not for a professional: at 43 km/h you get nearly 500W and for the current hour-recordman, with a 49.7 km/h and 90 + 8 kg it's 621W).
      Considering the efficiency of the alternator should be somewhere between 70 and 85% you could between 158 W and 192 W for a normal person: 4 or 5 times your figure.

      Regards,
      Alberto

    5. Re:What I find impressive... by nopain-nogain · · Score: 1

      400W is a quiet good one ;) i can hold 320 for several hours and i'm not that untrained;) but i have to aggre 120watt is nothing ;)

  21. Inconsistancy by Anonymous Coward · · Score: 0

    "...without needing special power supplies..."

    Someone must have missed something.

  22. Just wait.... by edwardpickman · · Score: 1

    And they thought finals time was exhausting before.

  23. Students Power Supercomputer with Bicycles by davro · · Score: 0

    From the title i thought that the MIT dudes where actually recycling bicycles to power the super computer. Using the back to the future, rubbish reactor.

  24. A laptop CPU needs 100Watts? by AnarchyDuck · · Score: 2, Informative

    a typical notebook computer CPU needing 100 watts, according to SiCortex CEO John Mucci My laptop draws about 20Watts max when running on battery power, even with the CPU running full-throttle. Much of those watts is for the backlight and drive. A 'typical laptop CPU', an Intel Pentium Mobile, uses maximal 24W, according to the datasheet provided by Intel. Saying a laptop would typically use 100W is a bit overstated.
  25. Am I the only one that thinks by ILongForDarkness · · Score: 1

    This will become a requirement for grad students now?

  26. So... how many instructions "per cycle" is that? by sapphire+wyvern · · Score: 4, Funny

    Ahem. Sorry...

  27. Amazing! by Ace905 · · Score: 1

    This is amazing! Just imagine what they could accomplish if they tried to do something useful, innovative, or even - technologically challenging.

    --

    Ace
    1. Re:Amazing! by Slashcrap · · Score: 1

      This is amazing! Just imagine what they could accomplish if they tried to do something useful, innovative, or even - technologically challenging. Yes, there is nothing challenging or useful in getting 648 CPUs and 1TB of memory to work with a power draw of 1200W in the same way that you're not a gigantic fucking faggot.
  28. Beowulf cluster of XO OLPCs? by Anonymous Coward · · Score: 0

    Beowulf cluster of XO OLPCs anyone? ;-)

  29. 10 MIT students are nothing special by mi · · Score: 1

    A team of ten MIT students powered a supercomputer [...] The system is low-powered and draws 1,200 watts without needing special power supplies or cooling.

    Indeed, what's so special about a power-supply consisting of 10 MIT students? Nothing really...

    --
    In Soviet Washington the swamp drains you.
    1. Re:10 MIT students are nothing special by Anonymous Coward · · Score: 0

      Then submit a story, this is the only thing on the front page since I went to sleep last night. You don't see me compla.. oh.

    2. Re:10 MIT students are nothing special by Anonymous Coward · · Score: 0

      Yeah, but thats only 2 students in base10

    3. Re:10 MIT students are nothing special by Anonymous Coward · · Score: 0

      Nice try. 10 students is 10 in base 10. 10 is 2 in base 2.

  30. That's the Way To Do It by RAMMS+EIN · · Score: 1

    Now that's the way to do it. Not just the environmentally friendly power generation, but the performance per Watt of the computer, too. According to an article at The Register, the SC648 is built from MIPS (the type of CPU) cores that run at 500 MHz and execute two intructions per cycle. That should work out to about 1000 MIPS (the performance unit) per core, which, according to el Reg, the SC648 has 2916 of. In other words, these students got 2.9 million MIPS for 1200 Watts. That's some 2400 MIPS per Watt! How does a typical home PC compare to that?

    Note: I might have gotten the number of cores wrong, in which case the results are also wrong. Supposing there were 648 cores (which the Slashdot summary may imply), it would work out to 648 thousand MIPS for 1200 Watts, or 540 MIPS per Watt. I don't think my (still low power at 20W) PC can come close to that (assuming the VIA C7 at 1.2 GHz does 1200 MIPS, it would be 60 MIPS per Watt...).

    --
    Please correct me if I got my facts wrong.
    1. Re:That's the Way To Do It by darthflo · · Score: 1

      Apparently my Core 2 Duo can, in ideal circumstances, run 2 + 8 (two 128-bit SSE floating point ops equal 8 single precision 32-bit ops) = 10 instructions per clock (I think). 2 Cores at 1.6 GHz would then process 32000 MIPS and use up about 10 watts (in a Lenovo X61t with some power-saving settings (e.g. no Bluetooth or WiFi, low display brightness) fully usable. If I didn't mess up something, that'd be 3200 MIPS/W.
      During actual processor load and WiFi, usage of the chipset's 3D capabilities and high display brightness power use typically rises to some 17 watts, can't recall it reaching 20. Either this is pretty damn awesome or I got the numbers wrong.

      (Yeah, a notebook with a power-efficient processor might not really be what most people call a typical home PC, but differently from a C7 or the SC648, it's something (some) end-users can and actually do have.)

  31. pedal power overview by morphovar · · Score: 2, Interesting

    Here you find a good overview of the possibilities of wind up power and bicycle machines

  32. Proposed New Measurement by hyades1 · · Score: 3, Funny

    Please allow me to offer the Geekaflop, which will be defined as the number of gigaflops per bag of Chitos, as determined by the weight loss of 10 MIT students pedaling flat-out for 10 minutes to keep the supercomputer powered up.

    The new term would be abbreviated "HaM"(Hamster Megacycles), thereby incorporating the longstanding scientific truism "We stand on the shoulders of giants".

    --
    I've calculated my velocity with such exquisite precision that I have no idea where I am.
    1. Re:Proposed New Measurement by MarkRose · · Score: 1

      I would hardly call it flat out. The 1200 watt consumption divided by 10 people is 120 watts per person, which is only a light to moderate amount of power to produce while bicycling.

      --
      Be relentless!
  33. Re:As a Human Powered Vehicle enthusiast... by Cadallin · · Score: 1
    Eh...

    I've done some research into it, and I figure you're probably better off buying one of the 12W foldable solar panels (or the rollable ones, but they're even more expensive, and give even worse W/area), and tying it down over your Panniers than to use some kind of generator system on a bike. On the upside, depending on the rest of system, next years ultra mobile parts based on Intel's Silverthorne ought to be pretty awesome for this kind of thing, and hopefully offer performance in the range of 500Mhz Pentium 3's.

  34. Next week... by Fobos · · Score: 1

    Next week it will be: Hamster Powers (Super)notebook with Hamster Wheel

    1. Re:Next week... by tacet · · Score: 1

      they estimate a hamster to generate about 200 miliamps at 2 volts

      http://www.otherpower.com/hamster.html

  35. Aha! My Ravings Vindicated! by CheeseburgerBrown · · Score: 1

    This is a particularly satisfying story to me. When I was writing my pulp scifi novella The Bikes of New York (in which the poor pedal generator bicycles for spare change) I was told by many snotty self-proclaimed debunkers that human beings could never generate a meaningful amount of power using their bodies, and some of them had all sorts of intimidating mathematics to prove their points.

    This story seems to show that their rigour was limp, and their points pointless.

    Hooray for a legitimate basis for my surreal vision! Nerd on, MIT.

  36. SiCortex by EdA · · Score: 1

    Well congrats, Tony and Wilson and Peter and all my other SiCortex buddies I hope you sell a ton of them. Wilson recently gave an interesting talk about verifying the SiCortex system and ASICs http://www.veripool.com/papers.html. He's also a huge open source contributor.

    /Ed - not affiliated with SiCortex

    1. Re:SiCortex by Anonymous Coward · · Score: 0

      Oh shite PDFs without warnings. Good papers tho.

      (A fast PDF renderer tops my wishlist for Firefox.)

  37. As an OLPC? by qrwe · · Score: 2, Funny

    Maybe this would be a good way to powersupply future OLPC:s?

    --
    There are 2 types of people in the world - those who understand decimal and those who don't.
  38. If human powered computing = hpc.. by SCHecklerX · · Score: 1

    Then this exercise should be (HPC)^2, right?

  39. Conversion efficiency needs improvement by plzdontspamme · · Score: 2, Interesting

    I once took part in a nutrition study that required each participant to ride a stationary bicycle for 20 min or so. I asked the lead researcher how much power a typical college student could produce. He said a healthy college student could produce about 180W for the duration of a test session.

    The test itself was uncomfortable. There was no breeze to keep you cool (and, since the human body is only about 25% efficient, that meant you were dissipating > 500 W as heat), and you had to wear a mouthpiece to measure your oxygen uptake.

    For that reason, I'm a little surprised that 10 cyclists without mouthpieces could only produce 1.2 kW for 20 min. Either their generators, drive mechanisms, and converters are not very efficient (most likely) or the MIT students need to do more exercise to get in better shape.

    1. Re:Conversion efficiency needs improvement by F1_Fan · · Score: 1

      120W for 20 minutes is easy for a reasonably fit "student" and could probably be sustained longer. 180W for 20 min is starting to get difficult for an untrained athlete. An untrained student-aged cyclist would start to struugle badly around 200W so 180W is getting close to mean maximal power.

      That said... 10 motivated, fit students could manage 120W each for 20 min. As a slowish amateur racing cyclist I can chrun out 150W for hours.

  40. If you have to ask ... by ja · · Score: 1

    As the saying goes: If you have to ask, you probably can't afford it.

    Anyway, could you ask your buddies to put up some suggested retail prices on their web?

    --

    send + more == money? ...
    1. Re:If you have to ask ... by White+Flame · · Score: 1

      I've seen ballpark prices mentioned deep within Google searches:

      SC5832 = $1.5m
      SC648 = $200k
      SC072 = $15k (from SiCortex, obviously)

      That should be ballpark for a runnable system with included basic RAM and HD amounts.

  41. OTOH, The students... by martyb · · Score: 1

    The system is low-powered and draws 1,200 watts without needing special power supplies or cooling..."

    The students' special power supply and cooling, OTOH, came from beer! (Free, of course!)

  42. Or... by rsantmann · · Score: 1

    We could put the MIT students in a blender and turn them into biofuel. Anyone?

  43. Ugggh, Thanks a lot.... by jnadke · · Score: 1

    Ugggh, Thanks a lot.

    Now when machines take over the world we're going to have to peddle our fat asses off instead of sitting in a tank of goo eating food all day.

    I mean... I for one welcome our new bicycle-toting machine overlords. Please bring the goo-tanks.

  44. But can it run Vista ? by Zoxed · · Score: 1

    > They powered a SiCortex SC648 supercomputer with a Linux cluster of 648 CPUs...

  45. Bicycle Power Calculator by rhennigan · · Score: 2, Interesting

    For those that aren't sure how watts measure up on a bicycle, use this calculator to figure out what equivalent speed that is. http://www.kreuzotter.de/english/espeed.htm

  46. human power by improfane · · Score: 1

    I didn't think that humans could generate this much stable and continuous power.

    It reminds me of this idea I submitted to the Global Ideas bank.

    --
    Slashdot needs Geekcode | Can anyone recommend any good SCIFI? My tastes: Foundation, Startide Rising, CITY, Ringworld,
  47. In other news... by kellyb9 · · Score: 0, Redundant

    ... I ate chicken sandwich today.

    Oh I'm sorry, I thought we were talking about pointless things that happened today.

  48. Way to go! by asCii88 · · Score: 0

    Finally they've found the way to make strong nerds. The MIT Army. Watch out bullys!

  49. Re:Aha! My Ravings Vindicated! by Anonymous Coward · · Score: 0

    These people put out 1.2 kW. Here in California, 1 kWh costs about $0.12 at residential rates. $0.14 for an hour of this vs. paying ten people to pedal for an hour? I'm sorry, the standard generation methods are far superior.

  50. NOT A SUPERCOMPUTER by Anonymous Coward · · Score: 0

    Supercomputer = 100 Fastest Computers in the world... This was NOT a super computer. But then again this is slashdot, so we'll gladly ignore the facts for a flashy headline...

  51. Effeciency? Bah! by Dan+East · · Score: 2, Insightful

    The brain consumes somewhere around 20 watts, and the estimated processing power of the human brain is somewhere between 10 and 100000 teraflops, with a storage capacity somewhere in the terabyte range. Now, we enjoy that processing power while completely at rest, without having to exert ourselves at all. Granted, our architecture isn't suited for some of the tasks a supercomputer is put to, on the other hand there are many incredibly rudimentary thinking tasks that the computer cannot perform no matter how powerful it is.

    Dan East

    --
    Better known as 318230.
  52. 88.5074579 foot pounds per second by MillionthMonkey · · Score: 1

    Says the calculator.

    A general rule of thumb is that one barrel of oil is the energy equivalent of about one year of hard labor for a human.

  53. Re:Aha! My Ravings Vindicated! by hywel_ap_ieuan · · Score: 1

    I was told by many snotty self-proclaimed debunkers that human beings could never generate a meaningful amount of power using their bodies

    Depends on your definition of "meaningful", doesn't it? Ten people pedaling to run a supercomputer sounds nice, but the energy equivalent is two 60-watt bulbs per person. Think about the energy needs of even a very small apartment. You've got lights, appliances, chargers, dozens of things that we plug in to main power. Even one that's heated with natural gas still needs electricity to run the blower, and then there's air conditioning, a real power hog. Modern life in the USA takes a lot of electricity, and human (or animal) muscle is never going to provide enough energy to make it a worthwhile source.
  54. Google may be biggest computer power consumer by peter303 · · Score: 1

    Just due to its shear number of server farms and servers - about 3 million nodes recent estimate. On the other hand they may hold the contrarian position as lowest power consumption per peta-op/peta-byte due to their attention to decreasing power costs (and green concern).

  55. Why is this offtopic? Where is the innovation? by Anonymous Coward · · Score: 0

    Human powered generators aren't a new idea. They've been done before. You'd think MIT students, with all their knowledge, would try to tackle a project that is a little more challenging than this. The contest was called Innovate or Die. They must have died, because I don't see any innovation?

  56. New bumper sticker by ciaran.mchale · · Score: 1

    For years, drivers have been putting "My other car is a Porche" bumper stickers on their cars. I guess now we will see cyclists putting "My other bike runs Linux" stickers on their mudguards.

  57. As usual... by toddhisattva · · Score: 1

    The "green" solution emits far more CO2 than a coal plant would have to produce that electricity.

  58. storing power from gyms by Danathar · · Score: 1

    I've always wondered why more gyms don't by equipment that gathers the excess electricity and sell it back to the power company. I bet the average Golds Gym probably puts out an incredible amount of power from all those machines.

  59. Next on QVC... by Molochi · · Score: 2, Funny

    Feed the grid with your ElectroExerBike! Now you too can reduce your waistline AND your electricity bill by up to $3.50 per month with only 6 hours of work per day!

    Yours for only $299 in 3 easy monthly payments.

    --
    "The Adobe Updater must update itself before it can check for updates. Would you like to update the Adobe Updater now?"
  60. wow by hcdejong · · Score: 1

    IMO the real story is that they can run a 648-processor cluster on 1200 W.

  61. How many MIT students does it take... by r_jensen11 · · Score: 1

    To withstand a /.'ing?

    Only one way to find out....

  62. Give them some credit by Anonymous Coward · · Score: 0

    You people don't think the MIT kids are smart enough to recognize a publicity opportunity?

  63. Re:Aha! My Ravings Vindicated! by Anonymous Coward · · Score: 0

    Found it for free online as it was: a 12 part online serial (in Memento format).

    Good luck selling 'dead tree' versions for 8.99 :P

    The Internet makes copyable interlectual property 'worth' essentially $0.00 (thanks to sites like The Pirate Bay) so the only entities making the REAL money on the net are:

    1) Big Internet Service Providers like NetZero and AOL

    2) Physical economy facilitators like eBay and Amazon or

    3) Ad agencies disguised as search engines like Yahoo and Google.

    I've come to the conclusion that all the Internet is good for nowadays for the 'small guy' is as source of information or entertainment -- nothing more, nothing less.

    If you are a 'small guy' making money in an environment where intangibles are deemed as having 'no value' and not worth paying for if they can be obtained for free anyway, more power to you!