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 ...

With its purple and yellow vortex-like design, this one’s ... If you’re after more optical illusions, check out this ingenous Lion King poster that has been a roaring success online.

The manhole's positioning, when viewed from the poster's vantage point, appeared like it was sitting at the top of a metal rod, which made it look like a round table. Optical illusions occur when ...