Sometimes the simplest illusions are the best. A simple trick makes a sketch of a cube appear to float and twist in the middle of a sketch pad. This optical illusion is completely inexplicable when ...

Artist James Nolan Gandy invents robot arms that sketch intricate mathematical shapes with pen and paper. When viewed in real time, the effect is impressive. But it becomes even more so when the ...

Some optical illusions require creative talent. You have to draw spirals, and pick the right colors, or at least have the ability to make two faces in profile look like one vase. Not these two ...

Spot the hidden faces in the drawing of flowers: Today's optical illusion is very interesting with some twists in the image. Look carefully at the image and spot the hidden faces in the lovely image ...

RESEARCHERS have come up with a bright idea for an optical illusion - one that appears to show beams of light. The Sunray Illusion appears to show bright rays emerging from the center of intersecting ...