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21:55EN
Lex FridmanPodcast · 2 speakersQuantum Computing Without the Hype: Amplitudes, Interference and the Long Road to Error CorrectionGuest Scott Aaronson · Host Lex FridmanScott Aaronson explains what a quantum computer really is, why it is not just trying every answer at once, and why noise is the field's central obstacle.
18:45ENLex FridmanPodcast · 2 speakersWhy Sean Carroll Thinks Many-Worlds Is the Cleanest Version of Quantum MechanicsGuest Sean Carroll · Host Lex FridmanThe Caltech physicist explains how Everett's idea works, answers the energy-conservation objection, and compares it with its rivals.
22:59ENLex FridmanPodcastPenrose on Why Consciousness Can't Be a ComputationHost Lex FridmanRoger Penrose explains how a dissatisfaction with AI optimism, a tip about microtubules and a rethink of quantum mechanics led him to Orch OR.
22:17ENLex FridmanPodcastWhat Is Real? Lee Smolin on Realism, Science and StorytellingHost Lex FridmanThe theoretical physicist explains why he believes in a world independent of our perception, why he doubts there is a single scientific method, and where realism meets quantum mechanics.
26:23ENLex FridmanPodcastTime Is Real, Space Is Emergent: Lee Smolin on Finishing Einstein's RevolutionHost 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.