Optical illusions like this one to find a hidden number exploit your visual processing system and brain's ability to make assumptions in the absence of complete information. But if you possess sharp ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

Experts have shared a mind-boggling optical illusion of a moving white dot, and it’s divided the internet. Lenstore has shared an optical illusion that asks people to follow the dot around for 30 ...

You look at an image of a black circle on a grid of circular dots. It resembles a hole burned into a piece of white mesh material, although it’s actually a flat, stationary image on a screen or piece ...

Today I learned that scientists study optical illusions. I always thought they were just for fun. A team of psychologists studied variations of this “expanding hole” illusion to determine what effects ...

This image contains a horse which you need to spot within 15 seconds of viewing time. The problem presents itself as a ...

Our brains create false perceptions through these illusions, which make us see things that do not exist while they distort ...

Check out some of these optical illusions, below — and see how you perceive images placed before your eyes. Just how do optical illusions work? "From an evolutionary standpoint, optical illusion is ...

If staring at this image down below (here’s a big version) makes you feel like you’re being swallowed by a black hole, you’re not alone. According to a new paper in the journal Frontiers in Human ...

A couple of years ago an optical illusion came along and almost broke our site. Over three million people read an article about the most dizzying illusion ever to grace our screens – the rotating ...

Expand the image above to fill your screen and stare at the black blob in the center. (You can also find the original version here.) Most people perceive the blob as ...