An 'unsettling' optical illusion shows two squares which appear to be completely different shades of gray, but are actually ...

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

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

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 ...

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 ...

We sent a writer to the mind-bending museum’s Santa Monica opening for a sneak peek of holograms, gravity-defying rooms, 3D ...

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 ...

In this edition, we’ve gathered 25 optical illusions that are truly mind-bending, designed to challenge your IQ. These aren’t just ordinary images; each one hides secrets and subtle details that most ...