“[T]he earlier Feynman course had sought to makes physics exciting by relating... to contemporary... problems. The new course took the opposite tack... to recreate the historical excitement of the original discovery. ...[[Classical mechanics|[C]lassical mechanics]] ...is treated as the discovery of "our place in the universe." ...[I]ts climax is Newton's solution of the {{w|Kepler problem}}. ...[[w:Living history|[H]istorical recreations]] ...became a staple of the project.”