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Hey Everyone,

We're having a discussion about this video (see link below). You can't modulate that big electromagnet fast enough (right?) so then it has to be the ball.  The conjecture is it's fake but actually we are not yet entirely sure - any opinions?

http://vimeo.com/23155536



Thanks for any insights :)

Paul M Siboroski
Exhibits Director
Reuben H. Fleet Science Center
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