Levitating Magnetic Tops

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You can see a really cool demo of s uperconductor levitation here. Follow the link and then scroll down to chapter 8, superconductivity. The whole show - the whole site - is wonderful.

Nice site. Thank you for the pointer. However, levitrons do not depend on superconductivity. The depend on gyroscope precession and a balance of attracting and repelling magnetic forces to avoid being bitten by Ernshaw's Theorem. The Ernshaw Theorem says that a static array of magnetic forces or electrical forces is impossible (Google or Wiki for the details).

You can buy a magnetic levitating top and play with it without investing in cold stuff.

Ba'al Chatzaf

Edited by BaalChatzaf
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