Avoiding the Chasm

December 6, 2005

Checkershadow Illusion

Filed under: Media — Tags: — vextasy @ 5:02 pm
Isn’t this the best illusion you’ve ever seen? The squares marked A and B really are the same shade of grey. If you don’t believe me click here. Want the proof and the explanation?The science behind the illusion is explained in a paper entitled “Lightness Perception and Lightness Illusion” written by Edward H. Adelson of the Department of Brain and Cognitive Sciences at the Massachusetts Institute of Technology. Illusion

“Every light is a shade, compared to the higher lights, till you come to the sun; and every shade is a light, compared to the deeper shades, till you come to the night.” John Ruskin, 1879.


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