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More Trippy Optical Illusions on the Net

by Caleb Johnson on August 20, 2009 at 01:01 PM



'The Illusion of Sex'
Once or twice, most of us have had trouble guessing someone's gender. Look at these two faces and try to figure out which is male and which is female. Turns out, the two 'faces' belong to the same person. The only difference is the level of contrast in each image.

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