DIAMAGNETIC LEVITATION: can a frog really levitate?

by maajdl
Tags: diamagnetic, frog, levitate, levitation
maajdl is offline
Jan30-14, 08:32 AM
P: 264
I found a web site claiming that a frog can levitate.
A "large magnetic field" of the order of 10 Tesla is all that would be needed.
And the effect would be a consequence of diamagnetism.


I am a little bit skeptic about that.
I was familiar, long ago with large devices where magnetic field of the order of 3 Tesla were used.
I had never heard of big effects on "non-magnetic" materials (like wood for example).

What do you think about that?
Could you give some order of magnitudes and explain what would be the effect of large magnetic fields on diamagnetic substance?

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Vanadium 50
Vanadium 50 is offline
Jan30-14, 08:58 AM
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Picture of levitating frog here: http://en.wikipedia.org/wiki/Magnetic_levitation
ZapperZ is offline
Jan30-14, 09:00 AM
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Here's a paper that explains more about this:



bigfooted is offline
Jan30-14, 12:49 PM
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DIAMAGNETIC LEVITATION: can a frog really levitate?

and it was worth an Ignobel prize:
Andre Geim later got the Nobel prize for his work on graphene.
HallsofIvy is offline
Jan30-14, 04:40 PM
Sci Advisor
PF Gold
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I suppose if you were to feed the frog enough iron filings!

(Reminds me of Mark Twain's "The Celebrated Jumping Frog of Calaveras County".)

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