There are countless types of optical illusions, from the cognitive to the physiological, testing our minds in ways that ...

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 ...

Optical illusions can do wonders. These visual puzzles have the power to actually challenge your perception, hint at personality traits, and even enhance your vision. We often enjoy brainteasers for ...

In the early 1990s, Magic Eye images (or computer-generated autostereograms to give them their generic name) felt like the pinnacle of an exciting confluence of art and technology. They were ...