The Fermi Paradox: Absent Megastructures
41:06
The Fermi Paradox: Imprisoned Planets
34:24
Lost Space Colonies
2:33:02
Graham Hancock: Lost Civilization of the Ice Age & Ancient Human History | Lex Fridman Podcast #449
41:22
The Dark Forest, Aliens, and a Hostile Galaxy
46:09
Misconceptions About Space, Time & The Universe
23:42
Ultra-Relativistic Spaceships: Racing Towards the Speed of Light
46:31
The Fermi Paradox: Fine Tuned Universe
18:16