While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

In this video, I explore my fascination with magic and optical illusions by building five furniture chair optical illusions. Each design is revealed with a detailed explanation of how they work. The ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Larry June Optical ...

From shifting lines to impossible shapes, optical illusions reveal how easily our brains can be deceived. This documentary explains the science behind illusions and what they uncover about human ...

Take a look at these interesting images taken from confusing perspectives. Take a minute to glance at some odd, confusing ...