Gravitation by Misner
SPACETIME PHYSICS Wherein the reader is led, once quickly (§/./), then again more slowly, down the highways and a few byways of Einstein's geometrodynamics— without benefit of a good mathematical compass. CHAPTER GEOMETRODYNAMICS IN BRIEF §1.1. THE PARABLE OF THE APPLE One day in the year 1666 Newton had gone to the country, and seeing the fall of an apple, as his ni..