Independent publisher Counter-Print has released Optic, a new book on the history of optical illusions in graphic design and how this craft has developed over the years. The inception of Op Art came ...

Optical Illusion for Testing Your IQ: An optical illusion is a mind-bending, deeply fascinating, shape-shifting image of an object or drawing ... is hiding among the books in the picture.

READ | Optical illusion: What do you see first - a man's face or someone reading a book? Here's your most annoying ... This remarkable piece of art reveals a lot about you! A cat and a moose ...