hard steps
2 episodes mention this concept
lexfridmanRobin Hanson on Grabby Aliens, the Fermi Paradox, and the Mathematical Modeling of Cosmic Civilizations
ScienceGrabby aliensLoud aliensQuiet aliensFermi Paradox- lexfridman
The Co-evolution of Life and Planets: Searching for Alien Civilizations and the Future of the Technosphere
ScienceHabitable Zone PlanetsPessimism Line (Probability of Civilization)Protostar FormationProtoplanetary Disk (Accretion Disk)