The Phantom Queen optical illusion sees the reflection of an invisible queen piece on a chessboard. The video pans round to reveal a clever 3D shape that aligns with the pattern of the chessboard.

Accurate and robust 3D imaging of specular, or mirror-like, surfaces is crucial in fields such as industrial inspection, ...

Optical illusions have been a brain teaser ... Whether it is an unusual feature, an atypical stance, or a slight difference in shape, only keen-eyed individuals can spot the anomaly instantly.

Your brain is a world-class pattern-recognition device that can recognize shapes, colours ... This 5-second optical illusion challenge will put your mental speed, spatial awareness, and judgment ...

A moth found in northern Australia and South-East Asia has an astonishing camouflage trick: it creates an optical illusion to look ... caused by pigments and the shape of its body.

but Patrick Hughes' mind-boggling 3D art takes the concept to a whole other level. Hughes uses a style he created called "reverspective," painting uncanny optical illusions of a rooms with an ...