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Rating: 4.3
Category: Entertainment
Date: 11/18/09 12:05 PM

80 Responses to Superconducting Train Principle FTW! [Video]

  1. Profile photo of Tearon
    Tearon Male 18-29
    147 posts
    November 16, 2009 at 4:59 pm
    Link: Superconducting Train Principle FTW! - Holy Crap! This technology is flipping sweet! When are we going to be using it on our cars?
  2. Profile photo of ShootToIll
    ShootToIll Male 13-17
    56 posts
    November 18, 2009 at 12:23 pm
    wat.
  3. Profile photo of ShootToIll
    ShootToIll Male 13-17
    56 posts
    November 18, 2009 at 12:23 pm
    thats drating awesome
  4. Profile photo of Fatninja01
    Fatninja01 Male 30-39
    25420 posts
    November 18, 2009 at 12:25 pm
    That is so cool, dont know what it was exactly!
  5. Profile photo of Oystah
    Oystah Female 40-49
    4032 posts
    November 18, 2009 at 12:34 pm
    I need that explained to me very, very slowly - but I like it!
  6. Profile photo of msieg007
    msieg007 Male 18-29
    2035 posts
    November 18, 2009 at 12:41 pm
    The major hurdle here is keeping something that cold in a practical use. Yeah it looks cool in a lab setting, but the real world...

    That`s liquid nitrogen for those of you wondering.

  7. Profile photo of Noamfer
    Noamfer Male 13-17
    172 posts
    November 18, 2009 at 12:42 pm
    This is super awesome for umm table hockey? That`s how you call it?
  8. Profile photo of bobhub600
    bobhub600 Male 13-17
    964 posts
    November 18, 2009 at 12:50 pm
    Wait...wut?
  9. Profile photo of jtrebowski
    jtrebowski Male 40-49
    3359 posts
    November 18, 2009 at 12:55 pm
    go to you tube, and search "maglev" trains or "worlds fastest trains" and you`ll see how this is applied to real life. Vey cool!
  10. Profile photo of Frogtango
    Frogtango Male 13-17
    1720 posts
    November 18, 2009 at 1:02 pm
    It is to do with supercooling a magnet. When you pour that liquid (whatever coldass gas) over the magnet, it`s magnetic pull and fields spazz up.
    For the real kinda explanation
    I cant link it properly cause of spaz computer
    http://www.youtube.com/watch?v=Z4XEQVnIF...
  11. Profile photo of AnwarNova
    AnwarNova Male 18-29
    2076 posts
    November 18, 2009 at 1:22 pm
    no. flipping. way.

    O_O

    -.O

  12. Profile photo of kooleyo
    kooleyo Male 13-17
    193 posts
    November 18, 2009 at 1:27 pm
    thats awesome! bravo frenchies!
  13. Profile photo of godoffej
    godoffej Male 18-29
    18 posts
    November 18, 2009 at 1:28 pm
    @Frogtango: Close. It`s caused by cooling a superconductive material. That is to say, a material which is not necessarily conductive at normal temperatures but when cooled becomes more conductive than most substances.
  14. Profile photo of dudeman1st
    dudeman1st Male 30-39
    1354 posts
    November 18, 2009 at 1:34 pm
    Wow that is older than sin.
  15. Profile photo of ElSombrero
    ElSombrero Male 13-17
    716 posts
    November 18, 2009 at 1:48 pm
    One major problem with using this on cars (description reference) is that the car would only work on a road... which might be a bit of an inconvenience (Like a deer is in the road and you want to swerve into the open field but cant)
  16. Profile photo of Ko_zea_lets
    Ko_zea_lets Male 18-29
    54 posts
    November 18, 2009 at 1:59 pm
    Science FTW!
  17. Profile photo of RPossum
    RPossum Male 30-39
    1076 posts
    November 18, 2009 at 2:00 pm
    For those of you who don`t know, this is the guiding principal behind the bullet train.
  18. Profile photo of your0mom
    your0mom Male 13-17
    374 posts
    November 18, 2009 at 2:06 pm
    ELSombrero, another problem might be that electronic equipment would be unusable after being exposed to the road/vehicle`s strong magnetism
  19. Profile photo of Spirithound
    Spirithound Male 18-29
    814 posts
    November 18, 2009 at 2:13 pm
    WOAH!!! so that`s how criss angel does it!!!!!!
  20. Profile photo of shunpo_31
    shunpo_31 Male 18-29
    1381 posts
    November 18, 2009 at 2:36 pm
    all I thought of was:

    "But I am le tired..."

    XD

  21. Profile photo of DaDooode
    DaDooode Male 18-29
    141 posts
    November 18, 2009 at 2:37 pm
    If this would be used on a car how do I break?
  22. Profile photo of carldec
    carldec Male 40-49
    140 posts
    November 18, 2009 at 2:42 pm
    two problems with mag lev... magnets and electricty are expensive as heck... And keeping things cold enough to superconduct takes lots of energy.
  23. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 18, 2009 at 2:59 pm
    I need that explained to me very, very slowly - but I like it!

    As far as I can tell, this is an example of magnetic levitation - maglev.

    Like poles of magnets repel each other - you might well have messed about with that yourself with small magnets.

    So you have a magnetised track and a magnetised object - if the force of the repulsion is greater than the force of gravity on the object it will hover above the track. The stronger the magnets, the greater the weight that can be levitated.

    It`s done with electromagnets. The strength of them depends on the conductivity of the material and the amount of electricity used. The coolant they pour in (probably liquid nitrogen) cools the material enough for it to superconduct, greatly reducing the amount of electricity used.

    Levitating objects have no friction with the ground, so they can be moved very efficiently. The maglev train speed record is 357mph.

  24. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 18, 2009 at 3:06 pm
    It`s not new tech - there was a maglev train running in England in 1984.

    It`s just not practical or cost-effective. You can`t efficiently supercool miles of track and the amount of electricity required to maglev a train without supercooling to get superconductivity is farcical. It`s insanely expensive to build and insanely expensive to run. Every maglev train loses money hand over fist. The benefits are nowhere near as great as the costs.

    If someone succeeds in developing a material that superconducts at a much higher temperature, maglev might become practical. There would be some use for trains that travel completely smoothly at several hundred mph, but the track would be very vulnerable and any crash would be catastrophic.

  25. Profile photo of MattPrince
    MattPrince Male 40-49
    2220 posts
    November 18, 2009 at 3:18 pm
    "The maglev train speed record is 357mph."

    361mph - Japanese Maglev.
    357mph French Lie.

  26. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 18, 2009 at 3:19 pm
    If this would be used on a car how do I break?

    i) Airbrake.
    ii) Linear induction motor. This is what`s usually used to move the train forwards, but you can easily reverse the direction of force so that it`s braking rather than accelerating.

  27. Profile photo of nonamewillfi
    nonamewillfi Male 13-17
    1404 posts
    November 18, 2009 at 3:20 pm
    shunpo u beat me to it
  28. Profile photo of sbeelz
    sbeelz Male 30-39
    2868 posts
    November 18, 2009 at 3:24 pm
    I`m sorry, I don`t understand Mexican.
  29. Profile photo of Phosphoreign
    Phosphoreign Male 30-39
    308 posts
    November 18, 2009 at 3:28 pm
    I`m not quite sure on this one, so call this a suggestion... don`t start flaming at me... but wouldn`t the guys hands get cold burns from being that close if not touching the rails he just poured liquid nitrogen onto?
  30. Profile photo of Shanksta
    Shanksta Male 13-17
    22 posts
    November 18, 2009 at 3:31 pm
    Holy crap!
  31. Profile photo of LazyMe484
    LazyMe484 Male 18-29
    10441 posts
    November 18, 2009 at 3:56 pm
    You can`t get enough superconductors.
  32. Profile photo of deathxtra
    deathxtra Male 13-17
    2791 posts
    November 18, 2009 at 4:00 pm
    "I`m not quite sure on this one, so call this a suggestion... don`t start flaming at me... but wouldn`t the guys hands get cold burns from being that close if not touching the rails he just poured liquid nitrogen onto?"

    He didn`t touch the part where the liquid nitrogen was poured on

    but even if he did, it`d only be really really cold..

  33. Profile photo of eclsage
    eclsage Male 18-29
    92 posts
    November 18, 2009 at 4:02 pm
    Phosphoreign... you can actually dip a finger into very shallow liquid nitrogen briefly. It is so cold that anything room temp causes evaporation and pushes the liquid away from your finger, so it doesnt touch/freeze it. These guys never touch it longer than a second
  34. Profile photo of xcaitiebabie
    xcaitiebabie Female 18-29
    96 posts
    November 18, 2009 at 4:11 pm
    i think i may have just poo my britches.
    that`s some intense stuff.
  35. Profile photo of Concetra
    Concetra Male 18-29
    2050 posts
    November 18, 2009 at 4:20 pm
    this has to be the best video ever posted on iab.
  36. Profile photo of 420foy
    420foy Male 18-29
    671 posts
    November 18, 2009 at 4:29 pm
    this may be the one time it is excusable to type in all caps

    HOLY drat DID YOU GUYS dratING SEE THAT poo WTF JUST HAPPENED!?!?!

  37. Profile photo of JRRBlues
    JRRBlues Male 30-39
    14 posts
    November 18, 2009 at 4:31 pm
    I watched this and thought `But I`m not black and I can`t fly and my magic pixie dust is really just cornstarch` and then I thought `Very nifty!!!`
  38. Profile photo of RearEchelon
    RearEchelon Male 18-29
    139 posts
    November 18, 2009 at 4:44 pm
    I knew supercooled superconductors would levitate above magnets, but I didn`t know they were attracted and repelled at the same time. Pretty badass.
  39. Profile photo of alk3v
    alk3v Male 18-29
    340 posts
    November 18, 2009 at 5:03 pm
    Awesome video, but I wonder if this can practically be implemented in any way though. Think about it, the track and train need to be cooled to well below freezing with liquid nitrogen. That`s pretty expensive, even considering if they could somehow insulate the whole system well.
  40. Profile photo of emzrok
    emzrok Female 13-17
    1306 posts
    November 18, 2009 at 5:14 pm
    Everyone`s like "ooh, trains, technology"

    UHH, I`M THINKING OF THE ROLLER COASTER OPPORTUNITIES. Upside-down leviation magic? Y/Y?

  41. Profile photo of B-b-beccah
    B-b-beccah Female 18-29
    668 posts
    November 18, 2009 at 5:36 pm
    BLACK MAGIC!
  42. Profile photo of Paul1582
    Paul1582 Male 13-17
    670 posts
    November 18, 2009 at 5:59 pm
    The idea has been around for quite some time, but I`ve never seen it levitate upside down.
  43. Profile photo of Pooptart19
    Pooptart19 Male 18-29
    2441 posts
    November 18, 2009 at 6:11 pm
    Everyone and their mother has seen this type of experiment.
  44. Profile photo of Crystal949
    Crystal949 Female 13-17
    246 posts
    November 18, 2009 at 6:23 pm
    ironic... I was JUST talking to my teacher today about the Meissner Effect and how amazing it is.
  45. Profile photo of dfcrackhead
    dfcrackhead Male 13-17
    327 posts
    November 18, 2009 at 6:58 pm
    That is sweet as hell, although I`d hate to get in a traffic jam, upside down...Everyone on the road would be getting nose bleeds and poo
  46. Profile photo of yayforme
    yayforme Male 18-29
    156 posts
    November 18, 2009 at 7:22 pm
    Ahhh, maglev trains. How many times I`ve tried to build a model and failed miserably... (just one, actually)
  47. Profile photo of Mothrog
    Mothrog Male 18-29
    79 posts
    November 18, 2009 at 7:34 pm
    WITCH
  48. Profile photo of OldOllie
    OldOllie Male 60-69
    15841 posts
    November 18, 2009 at 9:19 pm
    yayforme "Ahhh, maglev trains. How many times I`ve tried to build a model and failed miserably... (just one, actually)"

    Were you using high-temperature superconductors, liquid nitrogen, and neodymium magnets? If not, that might explain why you failed. ;-)

  49. Profile photo of Tisjokar
    Tisjokar Male 18-29
    985 posts
    November 18, 2009 at 9:53 pm
    BURN THEM
  50. Profile photo of jareddevour
    jareddevour Male 18-29
    288 posts
    November 18, 2009 at 10:05 pm
    KILL IT WITH FIRE
  51. Profile photo of bumbleBB
    bumbleBB Female 18-29
    1113 posts
    November 18, 2009 at 10:07 pm
    So correct me if I`m wrong, but isn`t this just a symptom of the same sort of effect demontstrated by those people who pour liquid nitrogen on their hands? I mean, it "levitates" because it is cushioned by the gases of the evaporating nitrogen right? And the upside down effect is because there is cushion between the magnets? I`m not a chem major so help me out guys.
  52. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 18, 2009 at 10:21 pm
    The Liedenfrost effect, if I recall the name correctly. Most famously used for dunking your hand in boiling lead without being burned. Room temperature would be hot enough for liquid nitrogen to show that effect.

    I was looking at the central strip that the object was hovvering above and thinking that was magnetised for maglev. Which wouldn`t explain the upside-down thing.

    Your explanation makes more sense now that I think about it. A strong enough magnetic *attaction* between the object and the track would keep the object from falling during the upside-down thing, with the Liedenfrost effect holding it off the track. That would also explain the clear disc used as a spacer - the Liedenfrost effect requires a gap.

  53. Profile photo of faaaaq
    faaaaq Male 18-29
    693 posts
    November 18, 2009 at 10:25 pm
    this is awesome lol
  54. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 18, 2009 at 10:26 pm
    If it is the Liedenfrost effect, the cushioning occurs because the liquid nitrogen *doesn`t* evaporate. The part in direct contact with the track boils instantly and forms an insulating layer that temporarily stops the rest of the liquid nitrogen from boiling.
  55. Profile photo of Skabashas
    Skabashas Male 18-29
    1256 posts
    November 18, 2009 at 10:47 pm
    This is beautiful. It would be so cool to ride a hoverboard in a big skatepark made that was equipped for that! Think about how amazing that would be!!!!
  56. Profile photo of cjanota
    cjanota Male 18-29
    1 post
    November 18, 2009 at 10:55 pm
    http://en.wikipedia.org/wiki/Diamagnetis...
  57. Profile photo of xxPinkxx
    xxPinkxx Female 18-29
    3829 posts
    November 18, 2009 at 10:58 pm
    wow this is cool. i oubt it will be used for cars etc, but a skateboard or scooter that hovers would be freaking sweet
  58. Profile photo of CreamKreator
    CreamKreator Male 30-39
    69 posts
    November 18, 2009 at 11:07 pm
    Hmm, wouldn`t LIQUID nitrogen fall out from the cup if it was still in there (same goes for nitrogen in gas form too.)

    Expanding gases cannot be behind the effect here since it would have to create a CONSTANT force in relation to magnetic force to keep it floating? Also to get the Liedenfrost effect the cup should have a hole in it to get the gas between the track and what ever is keeping it on track.... wait a minute...What`s keeping it on track? Is nitrogen magnetic? Well, geniuses.

    There`s a black disc underneath the cup, maybe the answer is somewhere there?

  59. Profile photo of CreamKreator
    CreamKreator Male 30-39
    69 posts
    November 18, 2009 at 11:09 pm
    cjanota, spot on!
  60. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 19, 2009 at 12:29 am
    Hmm, wouldn`t LIQUID nitrogen fall out from the cup if it was still in there (same goes for nitrogen in gas form too.)

    Lquid nitrogen in the cup would fall out (gaseous nitrogen wouldn`t), but there could be some between the cup and track.

    it would have to create a CONSTANT force

    That`s your best argument. The Liedenfrost effect lasts for seconds. Perhaps some form of delivery system in the cup, replenishing the liquid nitrogen between cup and track.

    wait a minute...What`s keeping it on track? Is nitrogen magnetic?

    Nitrogen isn`t magnetic, but the cup could be. That could attract the cup and track with a force greater than gravity, so the cup would hang under the track, against gravity. You can easily hold something against gravity with magnets.

    This is the strongest argument against it being maglev - since that works on magnetic repulsion, not attraction, there`s no way it can work inverted.

  61. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 19, 2009 at 12:34 am
    Caveat:

    Maglev can work on attraction, but not with two flat surfaces as shown here.

  62. Profile photo of smooshu
    smooshu Male 18-29
    73 posts
    November 19, 2009 at 2:02 am
    lol yeah that was cool.
  63. Profile photo of remuladgryta
    remuladgryta Male 13-17
    9 posts
    November 19, 2009 at 5:30 am
    this is not diamagnetic levitation. it`s the Meissner effect. a superconductor cooled below it`s critical point (in this case using liquid nitrogen) responds to magnetic fields in this way
  64. Profile photo of crisva
    crisva Male 18-29
    16 posts
    November 19, 2009 at 6:52 am
    It`s a superconducting magnet. Not the liedenfrost effect.

    I didn`t think someone who would know what the liedenfrost effect was would not know about superconducting magnets. Guess I was wrong.

    Here`s a superconducting magnet for dummies video:
    http://www.youtube.com/watch?v=Z4XEQVnIF...

  65. Profile photo of Tratheyas
    Tratheyas Male 13-17
    322 posts
    November 19, 2009 at 9:28 am
    This could be patented into a really awesome bedroom decoration.
  66. Profile photo of RickyGTO
    RickyGTO Male 18-29
    289 posts
    November 19, 2009 at 9:46 am
    Instead of gas we could buy liquid nitrogen!!! YAHHH... fail.
  67. Profile photo of Subushie
    Subushie Male 18-29
    1646 posts
    November 19, 2009 at 9:59 am
    its cool and all. but there is no point of propulsion, so that would use more energy.. and we would have to have liquid nitrogen. and on top of it we would need roads or entire train tracks laid out with those metal bricks... interesting, but not practical.
  68. Profile photo of RagingClue
    RagingClue Male 13-17
    20 posts
    November 19, 2009 at 10:58 am
    UFO UFO!!!!

    i saw it i aint crazy :P

  69. Profile photo of Fatninja01
    Fatninja01 Male 30-39
    25420 posts
    November 19, 2009 at 12:36 pm
    Seen it again, still cool!
  70. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 19, 2009 at 3:01 pm
    It`s a superconducting magnet. Not the liedenfrost effect.

    I didn`t think someone who would know what the liedenfrost effect was would not know about superconducting magnets. Guess I was wrong.

    Oh great one, please enlighten this lowly one who seeks to bask in the light of your wondrous wisdom:

    If this is simply maglev, how does it work regardless of whether the track is above or below the cup?

    You are indeed wrong. You are wrong in that you are trying to patronise the wrong people and in that you`re doing it in a very clumsy way, making it very clear that you`re talking rubbish.

    Did you not even think to read my prior posts in which I refered to the Liedenfrost effect, the use of electromagnetism to levitate objects and the effect of superconductivity in electromagnets before proclaiming that I couldn`t know about them? Are you arguing that I wrote them while in a trance and channeling another spirit?

  71. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 19, 2009 at 3:23 pm
    this is not diamagnetic levitation. it`s the Meissner effect.

    The Meissner effect *repels* a magnet. It can cause a magnet to levitate only when the magnet is *directly above* the object cooled enough to show the Meissner effect.

    In that case, the forces of gravity and the repulsion are in opposite directions and can therefore result in a zero net force.

    If the Meissner effect strip is rotated, the force of gravity and the force of repulsion will not be directly opposing, resulting in a net force sideways. That will move the magnet down the angled strip like a wheel rolling down a hill, then straight down when it`s passed the edge of the strip.

    If the strip is rotated above the magnet, the force of gravity and the force of repulsion are in the same direction - the magnet would accelerate downwards faster than under gravity alone.

    This can`t be just the Meissner effect.

  72. Profile photo of Crystal949
    Crystal949 Female 13-17
    246 posts
    November 19, 2009 at 5:14 pm
    it is the meissner effect.
    why? because of flux pinning (a known flaw in superconductors)
    http://scienceblogs.com/startswithabang/...
  73. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 19, 2009 at 5:57 pm
    Ah, I think I see where I was wrong about the Meissner effect.

    It`s not a straightforward force of repulsion between the superconductor and magnet. It`s more a maintaining of the positions of them relative to each other when the effect occured, as if they were attached by a sci-fi tractor beam. The relatively weak gravity of Earth wouldn`t be enouhg to overcome it.

  74. Profile photo of lohrj
    lohrj Male 30-39
    48 posts
    November 19, 2009 at 8:29 pm
    You guys is smart!
  75. Profile photo of agamemnon
    agamemnon Male 18-29
    215 posts
    November 19, 2009 at 9:35 pm
    Witchcraft
  76. Profile photo of SLC77
    SLC77 Male 13-17
    570 posts
    November 20, 2009 at 6:00 am
    people are too smart. the comments made me feel stupid. i thought it was pretty much awesome.
  77. Profile photo of Angilion
    Angilion Male 40-49
    12387 posts
    November 20, 2009 at 3:32 pm
    people are too smart. the comments made me feel stupid. i thought it was pretty much awesome.

    It`s education, not intelligence. I`m 40. You`re 13-17. I`ve had a lot more time to learn bits of stuff.

    I think it`s awesome too.

  78. Profile photo of D3rAnG3d
    D3rAnG3d Male 18-29
    1598 posts
    November 20, 2009 at 11:08 pm
    That was pretty interesting... I wish it had subtitles tho :/
  79. Profile photo of SlenderJames
    SlenderJames Male 18-29
    62 posts
    November 21, 2009 at 5:00 am
    Yeah, I agree. I wish I knew what he was saying so I could better understand what was going on.
  80. Profile photo of hazeofwar
    hazeofwar Male 18-29
    213 posts
    February 1, 2010 at 2:39 am
    Magrail ftw.

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