Viewers are instructed to keep their eyes fixed on a red dot in the center of a moving image. After several seconds, they are ...

Add Yahoo as a preferred source to see more of our stories on Google. I had a pair of red sunglasses back when colored lenses were cool (or at least back when I thought they were). But I couldn't wear ...

Blink and you’ll miss it — the illusion, that is. What may look like a piece of post-modern art is, in fact, an optical illusion that begins with a blurry cloud of colors. It’s a rainbow-scape worthy ...

If you have never seen an optical illusion, it is an image that makes you see things differently than they actually are. Optical illusions trick your eyes into believing you see something that is not ...