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Optical Illusions, a new book by Paul M. Baars - Yahoo News
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View the picture 'Optical Illusions, a new book by Paul M. Baars' from the photo gallery 'Now you see it, now you don't: Optical Illusions, a new ...
Photos: Tricking the Eye - WSJ
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A new book by Paul Baars showcases optical illusions, from old plays on perspective to M.C. Escher's impossible staircases.
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