1. Atoms and the void
2. Sets
3. Gèodel, turing, and friends
4. Minds and machines
5. Paleocomplexity
6. P, NP, and friends
7. Randomness
8. Crypto
9. Quantum
10. Quantum computing
11. Penrose
12. Decoherence and hidden variables
13. Proofs
14. How big are quantum states?
15. Skepticism of quantum computing
16. Learning
17. Interactive proofs, circuit lower bounds, and more
18. Fun with the Anthropic Principle
19. Free will
20. Time travel
21. Cosmology and complexity
22. Ask me anything.
Machine generated contents note: 1. Atoms and the void; 2. Sets; 3. Gödel, Turing, and friends; 4. Minds and machines; 5. Paleocomplexity; 6. P, NP, and friends; 7. Randomness; 8. Crypto; 9. Quantum; 10. Quantum computing; 11. Penrose; 12. Decoherence and hidden variables; 13. Proofs; 14. How big are quantum states?; 15. Skepticism of quantum computing; 16. Learning; 17. Interactive proofs and more; 18. Fun with the Anthropic Principle; 19. Free will; 20. Time travel; 21. Cosmology and complexity; 22. Ask me anything.