Optical illusions have fascinated people for centuries. They play tricks on our eyes and brains, making us see things that aren’t really there. Sometimes, a static image can appear to move, or colours ...

An optical illusion featuring concentric rings reveals fascinating insights into personality. Observers who perceive the inner circle moving first may lean towards introversion, focusing on internal ...

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 ...

If you have never seen an optical illusion, it is an image that makes you see things differently than they actually are. Optical illusions trick your eyes into believing you see something that is not ...

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 ...

Using ultra-fast laser pulses and special cameras, scientists have simulated an optical illusion that appears to defy Einstein's theory of special relativity. One consequence of special relativity is ...