Optical Illusions 16

Optical Illusions

by Gianni A. Sarcone and Marie J. Waeber

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Geometric Illusions 16


	First print this page! Then, while moving slightly the page, stare at the disc opposite and you may see the central small disc floating

Floating objects

a)		b)

Repeat the previous operation with the disc a) or b)
and you may see its central cross floating

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