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Thread: Quantum levitation

  1. #1
    thinBasic author ErosOlmi's Avatar
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    Quantum levitation

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    Super Moderator Petr Schreiber's Avatar
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    That is amazing, and I absolutely don't understand how is it possible
    I tried to search the website (http://astc.org/), but I was not able to find further information.


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  3. #3
    amazing experiments
    thanks Eros
    more info about the experiment :
    http://www.escapistmagazine.com/news...oull-See-Today

  4. #4
    thinBasic MVPs danbaron's Avatar
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    I didn't watch the video, with my connection 11 MB is too much to download for 2 minutes of viewing (I realize that is my problem, not yours.).
    But, from what I can see, I can do something very similar, using only two magnets - believe it or not!

    Here is something that explains quantum levitation a little bit.

    http://www.st-andrews.ac.uk/~ulf/levitation.html

    "You can't cheat an honest man. Never give a sucker an even break, or smarten up a chump." - W.C.Fields

  5. #5
    Super Moderator Petr Schreiber's Avatar
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    Hi Dan,

    I think the video is worth the wait, it is not like any other levitation video I have seen. Levitation via magnets is nice, but this one allows you to manually finetune the position and orientation of the body and it then stays in that position - it does not have to be in balanced position... hard to explain with words.


    Petr
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    thinBasic MVPs danbaron's Avatar
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    OK, then, I'll download it, Petr.

    I was being a little deceptive anyway.

    I remember, when I was a kid, multiple times having a toy consisting of two bar magnets.

    On top of one magnet, was attached a white plastic terrier dog, and on top of the other one, the dog was black.

    I would use them to test the magnetic attractive and repulsive forces.

    From experience (and as I know you know), it is impossible to produce stable levitation.

    The levitated dog will simultaneously try to fall sideways - and to rotate horizontally 180 degrees, so that opposite poles are adjacent, and the force is attractive.

    But, for kids, the simplest toy like that one, is interesting again and again.

    Of course, another fun one, is the spinning "top" - which I think is where the idea for the gyroscope came from.

    Very simple toys, can demonstrate deep and amazing physical laws.

    (I should add that I have previously seen stable levitation. But, always performed by magicians. They can make a subject laying (lying) horizontally, slowly rise up into the air, and hover, before slowly descending again. Now, maybe their trick is revealed!)

    And, I do remember that the subjects were smoking, like the levitated "puck" shown in the first frame of the video. If the magician was not careful, sometimes the subject would descend too quickly, and shatter on the floor - it was very sad.



    Last edited by danbaron; 20-10-2011 at 19:19.
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  7. #7
    thinBasic MVPs kryton9's Avatar
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    Here they explain it at the second video.

    http://www.flixxy.com/quantum-levitation.htm

  8. #8
    thinBasic MVPs danbaron's Avatar
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    I watched it.

    Wow, it seems that's the way to travel.

    No friction.

    Once you are going, the only thing trying to stop you would be the wind.

    "You can't cheat an honest man. Never give a sucker an even break, or smarten up a chump." - W.C.Fields

  9. #9
    Super Moderator Petr Schreiber's Avatar
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    Hi Dan,

    I am happy you liked the video.
    Friend at work told me some models of the maglev trains in Japan already use similar technology, including cooling of the train part.


    Petr
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