Nifty optical illusion.

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for those that dont get whats going on try this one:

Instructions:

  1. look at the bottom image. See how its colors look different on both sides?

  2. Stare at the black dot in the top image for 30 seconds.

  3. look at the black dot in the middle of the second image again.

http://www.colorcube.com/illusions/chrmadpt.jpg
chrmadpt.jpg441×641

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Whats going on is that the colors are the opposite of the colors of the sky and grass, and your eyes capture the opposite color as a residual burn-in of your eye. Its the same as if you stare out your bedroom window at the blue sky, then move your eyes over to the wall and you see red in the shape of the window.

Its got to do with the chemicals in our eyes.