Your first reaction to this haunting optical illusion reveals your hidden personality, comfort, curiosity, or unease. Each ...

Six years ago, when filmmaker Masaya Ishikawa was using Adobe Illustrator to craft digital materials for a video production, he started seeing strange shapes on his screen that shouldn't have been ...

A mysterious illusion that illustrates how motion can render color changes invisible won the "Best Illusion of the Year" for 2011, and it also taught researchers something they didn't know. "It is a ...

Perception researchers have discovered many illusions where context affects perceived size and distance. A great example of this is the Ponzo illusion (reviewed in an earlier blog post). The Ponzo ...

Optical illusions have been around since ancient times. Scientists and artists have been creating optical illusions for the longest time. So what are optical illusions? These are visual images that ...