It is an example of an impossible object or a visual paradox. It appears to depict a contradictory object that cannot exist. Some artists in the 20th century ...

These clever puzzles deceive the eye, creating a visual paradox that often leaves us scratching our heads. If you're a fan of optical illusion brain teasers, this latest puzzle is sure to leave ...

A paradox is a seemingly untrue or contradictory statement that, when investigated further, may prove to be true. Paradoxes can also take the form of philosophical riddles or images that appear to ...