SuperVisions: Ambiguous Optical Illusions
by
Al Seckel
First you see one thing, then another. The picture changes from one moment to the next, flip-flopping back and forth. That's an ambiguous illusion, and the ones in this largest-ever collection offer constant, pleasurable surprises. Sometimes, the perceptual shift occurs if you just stare at the visual puzzle long enough; in other cases, it's necessary to invert or rotate t...more
Paperback, 96 pages
Published
April 1st 2005
by Sterling
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