Tag Archives: shadow
Adelson’s Checker Shadow Illusion
Janet’s Note: I actually did not believe this illusion…not at all…so I printed the image and cut out the B square. Lo and behold, it’s exactly the same color as the A square. Surprised the fool outta me!
Same color illusion, also known as Adelson’s checker shadow illusion (published by Edward H. Adelson) depicts something hard to believe. Square marked B looks considerably lighter than square B, due to the “shadow” being cast upon it. However, color on both squares is precisely the same shade of grey. If you don’t believe, use any eyedropper tool or print/cut the squares to verify that both square A and square B are precisely the same.
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