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 ...

Have you ever looked at an image and doubted what your eyes were telling you? Well, you are not the only one because such optical illusions commonly take place when your brain wrongly interprets what ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In Head Trip, PopSci explores the relationship between our brains ...

Our brains create false perceptions through these illusions, which make us see things that do not exist while they distort the actual appearance of objects. The human eye perceives motion through ...