Our eyes can frequently play tricks on us, but scientists have discovered that some artificial intelligence can fall for the ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

An optical illusion is a visual phenomenon where the brain perceives an image differently from reality due to the way it processes visual information. These illusions exploit the brain’s ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, falling apart on cosmic scales. If you’re on the surface of Earth—and I’m ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

In this Ebbinghaus illusion of relative size perception, the orange circle on the left looks bigger than the one on the right - but it is actually 10 per cent smaller. In a new study, medical imaging ...

A new optical illusion online is becoming super popular. It is supposed to be a test of, like, how well you see, how focused you are, and how good you are at spotting details. The cool part? There is ...