Point of View: Scientific Imagination in the Renaissance

In the early 15th century most people thought the earth was flat. Then some social climbers from Florence went on a cultural package tour to Greece, while a Florentine architect tried his hand at painting, and the result was a new kind of geometry which was to change the world.
Art and architecture were transformed almost overnight. Town planning was born. And as the earth itself began to change shape, came an earth-shattering discovery in the Atlantic....