There's a new optical illusion on the block ... maybe two dots at the intersections of the diagonal gray lines, but the dots are constantly moving, right? The dots are not moving: it's a static ...

Our brain perceives bright dots at these intersection points ... in the Checker shadow illusion are the same shade of gray, but the illusion tricks our brains into seeing them as different ...

Lilac Chaser Also known as the Pac-Man illusion, this image loop shows twelve lilac dots against a gray background, with a black cross in the middle. One dot then disappears and reappears in a ...