The way that lines, shapes, space and colour are used can fool our eyes and brain to see movement that is not really there. Op Art works are abstract. They are based on geometric designs such as ...

By moving the plastic across the top of a picture, you only see one in four lines at one time, which then creates the illusion of movement. Produced by Claudia Romeo More from UK This artist uses ...

It takes inanimate objects, like these tiny frogs, and propels them into motion. But that movement is an illusion. And it all relies on a trick of the eye that's been around for almost 200 years.

Experiments with the illusion assist in efforts to clarify the neural mechanisms of visual perception Flashing two lights at certain rates of speed creates the illusion of a single light in motion.