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 ...

Optical illusions come in all forms, from classic illustrations to minimalist modern art, but one category that continues to ...

Optical illusions like this aren’t just about finding the right answer. They’re about the thrill of the challenge, the ...