How did you do that?

'Creators of magic' to share tricks of the trade at convention: "If you're a fan of the art of magic, you can learn what the pros know this weekend as magicians from all over converge in Huntsville for the South Eastern Association of Magicians convention.
Amateur and professional purveyors of prestidigitation will ooh and aah over the latest tricks by the masters and practice 'sleights' among themselves during convention hours at the Tom Bevill Center on the University of Alabama in Huntsville campus. "

If you're in the area...