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Checker shadow illusion
By butisit   |   Watch
4 3 16K (1 Today)
Published: October 14, 2011
Squares A and B are exactly the same shade of grey.
yes, really :)

This is a remake I put together of the Checker shadow illusion published by Edward H. Adelson, Professor of Vision Science at MIT in 1995

It's a very simple illusion and a favorite of mine. It was surprisingly easy to get the right balance of light to achieve it this time around.

Here is the proof:…

wiki -…
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eyeobserve's avatar
This is a fantastic version of the checkershadow illusion. Did you also make a comparison image that shows that A and B are the same?
butisit's avatar
butisitHobbyist Digital Artist
Thanks! I have added a version to show this..  finally! here:…
donaldaedward's avatar
Dude, this is by far the best Shadow illusion I've found with Google.
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