pt.1: lecture 1. Time travel, tunneling, tennis, and tea -- lecture 2. Heaven and earth, place and motion -- lecture 3. The clockwork universe -- lecture 4. Let there be light! -- lecture 5. Speed c relative to what? -- lecture 6. Earth and the ether: A crisis in physics -- lecture 7. Einstein to the rescue -- lecture 8. Uncommon sense: Stretching time -- lecture 9. Muons and time-traveling twins -- lecture 10. Escaping contradiction- Simultaneity is relative -- lecture 11. Faster than light? Past, future, and elsewhere -- lecture 12. What about E=mcp2s, and is everything relative? --pt. 2: lecture 13. A problem of gravity -- lecture 14. Curved spacetime -- lecture 15. Black holes -- lecture 16. Into the heart of matter -- lecture 17. Enter the quantum -- lecture 18. Wave or particle? -- lecture 19. Quantum uncertainty- Farewell to determinism -- lecture 20. Particle or wave? -- lecture 21. Quantum weirdness and Schrodinger's cat -- lecture 22. The particle zoo -- lecture 23. Cosmic connections -- lecture 24. Toward a theory of everything.