A new optical illusion is going viral online, forcing people to put on their thinking caps to solve the puzzle. It shows three straight horizontal lines stacked vertically and asks a basic question: ...

Five years ago we published an optical illusion that millions of you were completely bamboozled by, and today I've found a brand-new version of that illusion. Of course, I'm referring to the rotating ...

Optical illusions are becoming more and more popular on the internet. Thousands of people have made optical illusions their favourite pastime because of the game's simplicity and directness. The ...

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 ...