A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...

Optical illusions have long intrigued humans by misleading our vision system into believing something that doesn't exist or is not the real thing. Ancient people believed that supernatural powers, ...

An optical illusion is a fascinating visual trick that plays with the way our brain and eyes work together. Sometimes, what we “see” isn't really what's “there,” and that's what makes optical ...