“Up close, you can see that the image is actually black and white. It has coloured lines on top of it. From far away the ...

Both faces are grey, proving that not everything is black and white. The face optical illusion was created by the Japanese experimental psychologist and optical illusion creator Akiyoshi Kitaoka.

The article describes an optical illusion where a piano is hidden among zebra stripes. To solve it, one must seek rectangular shapes and alternating black-and-white keys. The dense pattern of similar ...