A new optical illusion, the 'expanding hole,' tricks the brain and reflexes, causing pupil dilation as if entering a dark space. A study reveals that 86% of people perceive the illusion, with black ...

The museum of mind tricks just opened up this weekend in Salt Lake City at the Gateway and provides museumgoers with interactive opportunities to fool the mind. “It was incredible,” museumgoer Aubrie ...

This illusion – named Pinna's Illusory Intertwining Effect – first appeared in Shifts of Edges and Deformations of Patterns written by Baingio Pinna and Richard L Gregory, an academic journal ...