Optical illusions have long fascinated scientists, artists, and everyday viewers. These visual puzzles can make stationary objects appear to move, straight lines look bent, or colours seem to change ...

This optical illusion challenges you to find the hidden number 623 among 628s in just 32 seconds. If you believe you are ...

Ever wondered how the brain builds reality? What if we tell you that your brain sometimes sees things that aren’t present? Cannot agree with it. Well, then it's time to put your eyes to the test. Take ...

A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism which appear to change shape when viewed from three different directions. Those are the top ...

If you believe you've got top-notch visual processing skills, then take this optical illusion challenge to flex your mental ...

The regular Short Wave science roundup covers mysterious red dots in space, the neurons behind optical illusions and a study of octopus arms. It's time now for our science news roundup from Short Wave ...

The art of optical illusion has been an integral part of painting since antiquity when it was used as a yardstick by which to judge an artist's level of mastery. This book presents a fascinating ...