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Read more about the illusion and possible explanations
Tags: Contrast | Presented Saturday, May 12th, 2007 |
Pre-order or buy the paperback edition of The Invisible Gorilla by June 11, and the authors will donate part of the proceeds to support the illusion contest or another charity you select.
Buy the new book by Stephen L. Macknik and Susana Martinez-Conde on the neuroscience of magic and illusions, co-written with Sandra Blakeslee of the New York Times.
Trophies donated by renowned sculptor Guido Moretti