Balls and Shadows illusion

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Balls and shadows illusion

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Copyright © 1996-2017 Alexander Bogomolny

Balls and Shadows Illusion

Human brain makes use of a variety of clues to interpet a retinal image. One is the perceived distance between an object and its shadow. Objects on the ground touch their shadows. Objects in the air appear higher up as the distance between them and their shadows grows.


  1. A. Seckel, The Art of Optical Illusions, Carlton Books, 2000 (#13)

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    Copyright © 1996-2017 Alexander Bogomolny


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