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18:45ENWhy Sean Carroll Thinks Many-Worlds Is the Cleanest Version of Quantum MechanicsInvitado: Sean Carroll · Presenta: Lex FridmanThe Caltech physicist explains how Everett's idea works, answers the energy-conservation objection, and compares it with its rivals.
22:03ENRunning the Drake Equation: Lex Fridman's Estimate of Alien Civilizations, From 0.7 in the Milky Way to Trillions in the UniversePresenta: Lex FridmanLex Fridman walks through each parameter of the Drake equation with optimistic, pessimistic and personal estimates, then argues the real lesson is how little we understand about intelligence and communication.
26:23ENTime Is Real, Space Is Emergent: Lee Smolin on Finishing Einstein's RevolutionPresenta: Lex FridmanTheoretical physicist Lee Smolin explains why quantum theory and general relativity remain unreconciled, and why he thinks causality is fundamental and locality is not.









