Saturday, December 27, 2008

Illusion science

Don’t always believe what your eyes see. Below shows the Illusion of shifted gradations.

The gray line is horizontal but appears to tilt down to the left.

Much more at the Akiyoshi Kitaoka’s illusion pages where some of the hundred illusions are explained in a scientific way like the Explanation (the peripheral drift illusion) (PDF file) for the Rotating Snakes.


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