Hidden number and letter optical illusions are some of the most satisfying puzzles because they look unbelievably simple ...

So why do they look slanted? One person offers their opinion: "It’s th [e] alternating black/white diamonds making the ...

A restaurant on top of a retro cassette player? A rocket trailing tempura flames? A maid ironing crinkle-cut potato chips? Anything's possible in the work of the Japanese photographer Tatsuya Tanaka, ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

Optical illusion challenges like this one are designed to test focus, speed, and attention to detail. They look simple at ...

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 ...

This nauseating illusion isn’t as black and white as you think. At first glance, it appears to have stacked lines of black and white boxes that are off-center, making the lines seem wavy and bendy.

We trust our brains to do a lot. From remembering birthdays to making sure you never forget an embarrassing moment that happened years ago, we can’t avoid what it chooses to focus on — and what it ...

An optical illusion is a fascinating visual trick that deceives the brain into seeing something different from reality. These illusions occur when the information our eyes send to the brain is ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

Martin Doherty received funding from the British Academy/Leverhulme Trust who partially supported this work. He continues to receive funding from the Leverhulme Trust. Radoslaw Wincza does not work ...