Some of these 3D optical illusion GIFs are really really good. Scrat—the saber-tooth squirrel from Ice Age—really achieves the effect. It’s perhaps the best of this collection. These GIFs use depth of ...

Whether it’s green strawberries that look red, painted “three-dimensional” road bumps or that argument-provoking dress, we are suckers for a good optical illusion. And 29-year-old Sage Hansen, aka ...

You may recently have seen the above “Ambiguous Cylinder Illusion,” an optical puzzle by Japanese illusionist Kokichi Sugihara, in which sets of plastic squares appear circular when reflected in a ...

Chris Carlson does great 3D illusion paintings. This stop motion, forced perspective, chalk painting version of the classic game Snake—present in every single dumbphone and available as a BASIC game ...