Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

An optical illusion is a visual phenomenon in which our perception of an image differs from objective reality. This image is perceived as a motion geometric distortion illusion, where the image seems ...

A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...