Culture & Education

Centuries Ago, an Architect Characterized the Parthenon’s Curves as a Clever Optical Illusion. Now, a Mathematician Begs to Differ

In the first century B.C.E., Vitruvius wrote that the Acropolis’ largest temple was horizontally bowed so that it didn't seem to sag, and that explanation persisted for millennia. New research suggests a different reason