Black Holes, Tides, and Curved Spacetime: Understanding Gravity Season 1 Episode 16 Spacetime Tells Matter How to Move
- TV-PG
- August 30, 2013
- 30 min
See how gravity affects Minkowski's spacetime geometry, discovering that motion in a gravitational field follows the straightest path in curved spacetime. The curvature in spacetime is not caused by gravity; it is gravity. This startling idea is the essence of Einstein's general theory of relativity.