Circles Within Circles Optical Illusion The image here appears as if it's pulsing to us. Look really hard and you can see the black and white colors in the image that work to make it look as if it's moving.
Illusions are always mind freaking. An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain
The Rotating-Tilted-Lines Illusion, by vision scientists Simone Gori and Kai Hamburger, then at the University of Freiburg in Germany .To best observe the illusion, move your head closer and then farther away from your computer screen.