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 ...

And the challenge for you all is to spot the Hidden Number. So, only the 100% Vision can spot the Hidden Number in this ...

An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. This image is seen as a high-contrast black-and-white optical illusion made ...

In the fast-paced world of digital distractions, a new kind of viral phenomenon has taken over our social feeds: the high-stakes visual perception challenge. As a long-time observer of how our brains ...

This mind-bending optical illusion has left people baffled — with viewers not knowing if the circles or arrows are moving. The image, created by Japanese Twitter user Jagarikin, has left thousands ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical illusion called the Terrell-Penrose effect. When you purchase through links on ...