But sometimes optical illusions can be educational, particularly for anyone who works in graphic design. Type designers will know that letter forms can play tricks on us. Sometimes an equal amount ...

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 ...

A mind-boggling optical illusion has tested the eyesight of internet users. Can you solve it? This optical illusion, featuring a hidden hippo in not-so-plain sight among the rhinos, has gone ...