A challenging optical illusion featuring an egg tray claims only 5% of people can correctly count all 30 eggs. This test ...

New York — At the Museum of Illusions in New York City, around every corner is a wonder for the eyes. There's a vase that's a face, art that moves with you, and a room that seems to go on forever.

In Level 6.3, gamers will have to obtain batteries so they can activate the teleporter and use it. At first glance, players will notice that there seems to be a battery in the center of four pillars.

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 ...

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 ...

It's not just humans who notice optical illusions; certain animals do too, and they often use it to their advantage. When you purchase through links on our site, we may earn an affiliate commission.

An example of the glare illusion used in the experiment. A previous study has reported that the central region surrounded by eight circles is perceived to be brighter in the left image (with a ...