The Fermi Paradox: Fallen Empires
45:41
The Fermi Paradox: Absent Megastructures
31:37
The Stanford Torus Space Habitat
37:51
The Fermi Paradox: The Cronus Scenarios
34:40
Orbital Defense Platforms
43:22
Defending Earth
46:31
The Fermi Paradox: Fine Tuned Universe
28:17
The Fermi Paradox: Pancosmorio Theory
42:05