zeus was too busy chasing hera to bother with geometry. but when the scientists of the 1600s looked around them, they found geometry turning up in the places that the greeks had never managed. if you shoot an arrow into the sky or throw a rock, scientists found it travels in a pair ab la. if you trace a planet's path, you get an i ellipse. those were euclid's shapes, but he had never imagined they would turn up in this concept. it was as if someone had flung a gigantic diagram from a geometry textbook across the sky. newton and his peers looked at those discoveries, and they made a giant leap. in the some of its aspects, nature follows mathematical laws. therefore, in all of its aspects nature follows math mathematical laws. newton and galileo and the others found a handful of golden threads, and they inferred the existence of a golden tapestry. the astonishing fact is that that unfounded faith, that presumptuous belief about what god was up to would, in time, transform the world. let's stop there. thank you. [applause] if there are questi