http://www.smashinglists.com/10-amazing-tricks-to-play-with-your-brain/
whoah!
Labels:
optical illusions
I never tire of these. Stare at the cross for 30 seconds then look at a wall.
http://www.smashinglists.com/10-amazing-tricks-to-play-with-your-brain/
http://www.smashinglists.com/10-amazing-tricks-to-play-with-your-brain/
Friday 10 September 2010
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