Archive for the ‘Optical Illusion’ Category

Very disturbing optical illusion

Monday, December 14th, 2009

I really like optical illusions. Until recently, my favorite was this one. But, I have a new favorite now. Here's one that bothers me. See if it bothers you. Look at the image below. Which square is darker, A or B, or are they the same color? A hat tip to John Cook ...

Optical illusion: the spinning girl

Sunday, December 23rd, 2007

Here's an optical illusion that's making its way around the net and has now become my very favorite illusion. Look at the animated gif below. What direction is the girl spinning in, clockwise or counterclockwise? Can you make her change directions with your mind? Can you see her spinning either ...