The Spacetime Metric
19:22
The Meaning of the Metric Tensor
23:38
Conceptualizing the Christoffel Symbols: An Adventure in Curvilinear Coordinates
15:37
Spacetime rotations, understanding Lorentz transformations
14:03
The Copernican Principle: the foundation of ALL of cosmology
25:52
The TRUE Cause of Gravity in General Relativity
14:29
Demystifying The Metric Tensor in General Relativity
49:43
Nima Arkani-Hamed: The End of Space-Time
21:11