Friday, January 9, 2009

optical illusions


My favorite illusion from the website was the Spiral aftereffect. It's a black and white spiral that spins. You look at the center of the spiral for about 20 seconds, and then look somewhere else, and wherever you look it will be swirling.

2 comments:

Clamch62 said...

i saw this one, it is so much fun.

Anonymous said...

i really like this illusion.but it also gives me headaches when i look at it for a long time.