Session	Type	Title
1	Lecture	Lecture 1: Introduction and Old Relativity
2	Lecture	Lecture 2: Maxwell EM Waves and Ether
3	Lecture	Lecture 3: Length, Coordinates, and Transformations
4	Lecture	Lecture 4: Doppler, Twins, Momentum
5	Lecture	Lecture 5: Force, Energy, Fission
6	Lecture	Lecture 6: General Relativity
7	Lecture	Lecture 7: Quantum Physics Begins
8	Lecture	Lecture 8: Bohr Atom and Electron Waves
9	Lecture	Lecture 9: Wave Functions, Probability
10	Lecture	Lecture 10: Schrodinger and Particle in Box
11	Lecture	Lecture 11: Steps, Tunneling, Wells
12	Lecture	Lecture 12: Hydrogen Atom
13	Lecture	Lecture 13: From Electron Spin to Periodic Table
14	Lecture	Lecture 14: Atoms, Spectra
15	Lecture	Lecture 15: Diatomic Molecules
16	Lecture	Lecture 16: Molecules and Solids
17	Lecture	Lecture 17: Solids and Nuclei
18	Lecture	Lecture 18: Radiation Measures
19	Lecture	Lecture 19: Particles and Cosmology