Credit: Edward H. Adelson, Wikipedia Explanation: Are square A and B the same color? They are. Are too. To verify this, click here to see them connected. The above illusion, called the same color illusion, illustrates that purely human observations in science may be ambiguous or inaccurate. Even such a seemingly direct perception as relative [...]

color, illusion, optical, wikipedia

Keep staring at the red dot, the green circle fades away into the white background. To get more info on this illusion read : The importance of perceptual illusion research and Science of Illusion

illusion, perceptual illusion, Research, sciene