Study the image above closely. You’ll notice that physically it is an impossible object, yet this is a screenshot of full-motion video. The clip after the break shows a gentleman pouring water ...

For 42 years, Sugihara has worked on devising mathematical formulae to prove the existence of “impossible objects”: 3D recreations of illustrations representing geometric motion that cannot ...

a model of one of the Penroses’ “impossible objects” — a staircase on which a person could ascend or descend forever. But maybe the most extraordinary item is also the most ordinary ...

This is a Penrose triangle. 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 (notably M ...