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General Forums => Public Tavern => Topic started by: Nympha on 12. February 2007, 11:07:44 (11:07 AM)

Title: Illusion...
Post by: Nympha on 12. February 2007, 11:07:44 (11:07 AM)
http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html