Instructables user [GuokrDIY] has provided a translation of a detailed guide on making one of our favorite Escher inspired illusions. Unlike the previous speculated solutions to Escher’s ...

In Auditory Illusions, Trevor Cox investigates sounds ... The effect is like the famous Escher staircase which appears to be constantly rising but in fact is going round in circles.

The distinction between reality and perception is blurred by brainteasers, optical illusions, and Escher's inconceivable geometries, as well as the timeless "Which line is longer?" puzzles.

It's an illusion in which we can never see both patterns at once. We know they're coming when we look at other examples by Escher, but we still can't win his game. Metamorphosis (1939-40 ...