The Escher Loop optical illusion creates a staircase that appears endlessly climbable yet never reaches a higher point. Using impossible geometry and 3D depth tricks, the mind is fooled into ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

Dive into a captivating word challenge where you have just 15 seconds to spot the lone word amidst a sea of 'Hat' entries. This brain teaser harnesses your cognitive shortcuts, playing on the familiar ...

A baffling optical illusion that appears to show a woman floating in mid-air has left people puzzled as they try to work out what is really going on ...

Martin Doherty received funding from the British Academy/Leverhulme Trust who partially supported this work. He continues to receive funding from the Leverhulme Trust. Radoslaw Wincza does not work ...