http://www.theatlantic.com/politics/archive/2007/07/tuesday-diamagnetism-blogging/43008/ It's fascinating stuff. You can see Dutch scientists levitate all kinds of objects here on the University of Nijmegen's website.
This article available online at:
http://www.theatlantic.com/politics/archive/2007/07/tuesday-diamagnetism-blogging/43008/
