Thanks to krandolph for this cool optical illusion:

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Is the length of the tabletop on the left any different than the width of the tabletop on the right?

In this optical illusion by Roger Shepard (”Turning the Tables”), the dimensions of the tabletops are amazingly the same!

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Dr. Richard Gregory first observed this illusion’s effects at a cafe wall in Bristol, where the tiles were arranged in a chessboard-like pattern.

Other cool optical illusions posted earlier on the site:

• 3d color optical illusion by MIT professor
• Wavy coffee beans
• Spinning pinwheels
• a crooked square
• the amazing work of Felice Velini

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Wow, this optical illusion really messes with your brain.

Hard to believe, but the squares marked A and B are the same shade of gray.

For an explanation and proof, click here.

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This neat little optical illusion comes courtesy of www.coolopticalillusions.com.

Probalby one of the cooler optical illusions I’ve seen in awhile.

Note that the picture below is not animated!

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In this neat optical illusion, is the blue line in the middle a perfect square?

(Imagine looking at this thing while intoxicated?!?)

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