The Necker cube illusion starts with a 2-dimensional drawing of a wire frame cube. When viewing it, observers have to determine if the lower left square on the cube is the face, or if it has an upper ...

Only a handful of people have been able to solve the mystery behind this floating cube. Find out whether you are among them. This floating cube has left many wondering whether it's an illusion or a ...

Try and count the black dots.... Focus on the dot in centre... Spinning wheels... Hidden details... White lines or grey spots... Of course, optical illusions are now being put to commercial use by ...

In an impossible figure, seemingly real objects—or parts of objects—form geometric relations that physically cannot happen. Dutch artist M. C. Escher, for instance, depicted reversible staircases and ...

Artists find mind-bending ways to bring impossible figures into three-dimensional reality In an impossible figure, seemingly real objects—or parts of objects—form geometric relations that physically ...