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Think you can trust your eyes? Think again. What feels undeniable at first glance is sometimes a surprise, an illusion, or an ...

Optical illusions are a type of visual trickery that can play with our perception. They can be fun and challenging, and they can also be used to test our visual acuity. One popular optical illusion ...

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 ...

While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

Optical illusion puzzles are known to be fun and fascinating brain challenges that are designed in such a manner that they ...

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 ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...

Woman films cooking tutorial and accidentally creates optical illusion. A home chef was just trying to share a Taco Bell ...

Most people use the terms “optical illusion” and “visual illusion” interchangeably, much like “fluid” and “liquid” or “sofa” and “couch” are synonyms. At first glance, this might be seemingly pedantic ...