A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to change shape when... Optical illusions are a brain feature, not a bug. Here's ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

Optical illusions have long fascinated the human mind, not only for their mysterious visuals but also for their ability to challenge our perception, attention to detail, and vision. In today’s optical ...