43 Comments

  1. Concepts he touched on: Lagrangians, Hamiltonians, calculus of variations, spacetime manifolds, particle physics, Maxwell's equations, equivalence, special and general relativity, symmetry, conservation, closed systems, Lorentz transformations,… Pretty much all of physics. Even chaotic systems at the end. He switched from how to why to how again. And did it a thousand times better than I would have. At some point I would have just said, "It helps us with the math and gives us a deeper understanding of all of physics."

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