Circumventing Earnshaw's Theorem

[William Beaty <billb@ESKIMO.COM>]

Hey, SCIENCE NEWS has a brief article on a new form of passive magnetic
levitation.  See the 7/24/1999 issue, where a neodymium magnet is
levitated between finger and thumb!  A large magnet lifts a small one, and
a piece of diamagnetic material (water, graphite, etc.) above the small
one gives a slight repulsion and creates stability.

Ed P. on sciclub-list points out that Martin Simon has a photo of a
graphite-based levitator:

  http://www.physics.ucla.edu/marty/diamag/


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William J. Beaty                                  SCIENCE HOBBYIST website
billb@eskimo.com                                  http://www.amasci.com
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