1 |
Was there a beginning of time? (Part 1) - Hubble's law and the big bang
- The cosmic microwave background
|
2 |
Was there a beginning of time? (Part 2) - The Friedmann universe
- Beyond the big bang
|
3 |
Are there parallel universes? - The level I multiverse
- The level II multiverse
- The level III multiverse
- The level IV multiverse
|
4 |
Do aliens exist? - Where are they?
- They're here!
- They exist but haven't communicated yet.
- We are alone.
|
5 |
Is time travel possible? - Special relativity
- General relativity
|
6 |
Towards a theory of everything - A brief history of physics
- Quantum gravity
- String theory
- Alternatives to string theory
|
7 |
Musings on the theory of everything and reality - Types of existence
- Mathematical universe hypothesis
- Appendix: Occam's razor
|
8 |
The nature of reality - The mathematical universe hypothesis
- The level IV multiverse (cont.)
- The simulation argument
|