Saturday, March 01, 2008

Optical illusion

"Keep in mind that this is a static image. It is not animated in any way. but as your vision moves back and forth the center area seems to be moving toward the center (contracting) and the outer edges seem to be moving away (expanding) from the center. Also worth noting is that if you fixate on a point in the center and don’t move your eyes this anomalous motion will stop."

Good tip! From Optical Illusions for Kids.....but, you know, it works for grown-ups too!

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