An optical illusion challenge invites readers to spot a hidden photographer within 5 seconds, testing their observational ...

The first step in solving an optical illusion is to grasp the basic principles behind it. Many illusions rely on contrast, ...

In a peer-reviewed paper published in 2022 in the journal Science Advances, researchers from the University of Aberdeen and ...

Kevin Parry, a stop-motion animator who's worked on films like Kubo and The Boxtrolls, has confounded Instagrammers with his most recent optical illusion video, "Walk in the Woods." ...