Action principle: geometric and physical interpretation
18:33
Lagrangian and Hamiltonian Mechanics in Under 20 Minutes: Physics Mini Lesson
22:29
Newtonian/Lagrangian/Hamiltonian mechanics are not equivalent
28:38
No dissipative Lagrangians (or Hamiltonians)
19:40
Is ACTION The Most Fundamental Property in Physics?
26:53
Classical entanglement and other quantum analogues
17:55
Explaining the Principle of Least Action: Physics Mini Lesson
46:40
Hamiltonian mechanics in 12 equivalent characterizations
42:13