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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 ...

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 ...

Sometimes things are not what they seem. They become poetic thanks to optical illusions. Have a look at this collection of ...

Optical illusions meet curious cats in a playful video full of surprising reactions and funny moments.

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In the must-see video above, clever optical illusion bird sculptures created by artist Thomas Deininger were displayed at Florida’s Art Miami contemporary art fair this December, footage filmed at the ...

Which way is the dancer spinning? Clockwise? Counterclockwise? You can choose which direction you want her to spin by simply wishing it! (Hint: if the foot touching the ground is perceived to be her ...