The optical illusion appears to show two grey squares with different shades, but they are actually exactly the same colour.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Illusions like these mess with the brain's visual processing system, making viewers see things ...

In today’s Optical Illusion, we all have very large, weeping cherry blossom trees, which look very beautiful. But this image ...

How optical illusions work has been long-debated among scientists and philosophers, who wonder whether these illusions stem from neural processing in the eye or involve higher-level cognitive ...

This type of illusion is called the The Troxler Effect, and was developed by physician Ignaz Paul Vital Troxler in 1804. It reveals that everything exists in reality, although our perception makes ...

The human mind is one of the most magnificent creations ever made. It performs magical feats and is a complex "machine" that scientists and psychologists are constantly trying to figure out. When it ...

Optical illusions are a treat for visually genius minds. These visual illusions are excellent at assessing and examining the workings of the human brain. Researchers around the world incorporate ...

While optical illusions often have a mind-bending effect on me, I've never given much thought to how they affect our furry friends – but of course, someone on the internet has. Testing their feline ...