Tuesday, December 28, 2010
Friday, December 17, 2010
Lilac Chaser
According to Wikipedia:
When one stares at the cross for about 20 seconds or so, one sees three different things:Direct link; via Jeremy Hinton
- A gap running around the circle of lilac discs;
- A green disc running around the circle of lilac discs in place of the gap;
- The green disc running around on the grey background, with the lilac discs having disappeared in sequence.
Labels:
Optical Illusion
Monday, December 13, 2010
Saturday, December 11, 2010
Friday, December 10, 2010
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