This is not a flower, it's really a llama

Friday, March 14, 2008

Optical illusions

Try this one with a friend: Is this ballerina rotating clockwise or anti-clockwise? Does she ever change direction.

Another optical illusion with circles.

Rubik's Cube optical illusion from ukpuzzle: the 'orange' square in the center of the front face and the 'brown' square in the center of the top face are actually the same color.