As one of the abstract styles developing in the 1960s, Optical illusion (or Op) Art features games of lines and geometric ...

Richard Anuszkiewicz, an American painter whose meticulous, mathematical approach to color and composition made him one of Op-Art’s biggest ... that pushed the minimal geometric forms color ...

Most rock art ... stencils. In attempting to recreate the artwork, researchers found that the beeswax worked the best. “Heating and shaping beeswax into human figures, animals, objects, and ...