An incredible 365 optical illusions.

Looks at various types of optical illusions, including distortion illusions, motion illusions, color illusions and afterimages, and impossible objects and image

A rich assortment of visual mind-bogglers, including "impossible objects" — constructions that look fine on paper but can't possibly exist in reality — as w

Fool your brain with mind-boggling illusions, then get hands-on and make your own to wow your friends! Learn all about the science behind these wacky phenomena,

Presents a collection of optical illusions, with questions that challenge the viewer to decide whether seeing is believing.