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Amazing illusion

Posted by: Matthew Trost

Via Discover magazine via Akiyoshi Kitaoka:

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Incredibly, the blue and the green spirals are the same color. From the article:

The orange stripes go through the “green” spiral but not the “blue” one. So without us even knowing it, our brains compare that spiral to the orange stripes, forcing it to think the spiral is green. The magenta stripes make the other part of the spiral look blue, even though they are exactly the same color.

Two TEDTalks on our mis-wired brains: Dan Dennett and Al Seckel.