freaky

Bald Rat

Posted Fri, 02/15/2008 - 23:55 by bartley
in

no spiral

Posted Fri, 02/15/2008 - 18:54 by bartley
in

These are concentric circles, not a spiral

via

Optical Illusion

Posted Sun, 02/10/2008 - 20:04 by mlaldrid
in

Squares A and B are the same shade of gray.

Created by this guy. via boingboing

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