“Breathing” fractal illusion (via Boing Boing)

Check out this optical illusion, a garishly-colored fractal that seems to “breathe” as your eyes dart across the image. But the motion is all in your head! As the image’s file name claims, it is NOT an animation. I love stuff like this, which reminds us of the ever-present gulf between the world as it is and the world as we perceive it to be.

And while we’re at it, there are some other classics here.

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