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 ...

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 ...

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 ...

An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive. It occurs when the information sent by the eyes conflicts with how the brain processes and understands ...