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Lex Fridman· 5. Mai 2025Podcast · 2 StimmenA Black Hole Is a Place, Not a ThingGast: Janna Levin · Moderation: Lex FridmanTheoretical physicist Janna Levin tells Lex Fridman why the event horizon is empty spacetime, why Hawking’s radiation started a war over information, and why gravity itself may not be fundamental.
2:35:24ENLex Fridman· 22. Apr. 2024Podcast · 2 StimmenThe Equation Was Smarter Than EinsteinGast: Sean Carroll · Moderation: Lex FridmanSean Carroll tells Lex Fridman why general relativity is the most beautiful theory in physics, and why its equation predicted black holes, gravitational waves, and the Big Bang before anyone, including Einstein, understood them.
59:24ENLex Fridman· 3. Dez. 2023Podcast · 2 StimmenIf You Only Trust What You Can See, You Miss Most of the UniverseGast: Lisa Randall · Moderation: Lex FridmanHarvard physicist Lisa Randall talks with Lex Fridman about dark matter, dinosaur extinctions, the LHC, and why a theory is only as good as the measurement that can kill it.
2:18:49ENLex Fridman· 18. Mai 2023Podcast · 2 StimmenAfter the Big Bang, the universe was a thin soupGast: Anna Frebel · Moderation: Lex FridmanMIT astrophysicist Anna Frebel tells Lex Fridman how leftover stars in the Milky Way still carry the chemistry of the first billion years, and how our galaxy grew by eating its neighbors.
2:13:16ENLex Fridman· 23. Juli 2022Podcast · 2 StimmenEvery Atom in Your Body Was Forged in a Dead StarGast: Martin Rees · Moderation: Lex FridmanMartin Rees talks Lex Fridman through dark matter, alien life, one-way Mars trips, and why this century is the first in which one species holds the planet.
3:59:41ENLex Fridman· 18. Jan. 2022Podcast · 2 StimmenDust Covered the Origin of the UniverseGast: Brian Keating · Moderation: Lex FridmanExperimental cosmologist Brian Keating on telescopes as time machines, the BICEP2 false alarm, and what it actually means to lose a Nobel Prize.
1:45:45ENLex Fridman· 20. Okt. 2021Podcast · 2 StimmenA Blink of Ordered Particles: Brian Greene on Entropy, Meaning, and DeathGast: Brian Greene · Moderation: Lex FridmanThe Columbia physicist talks with Lex Fridman about heat death, consciousness, string theory, the Big Bang, aliens, Mars, and the kind of freedom that survives without free will.
2:22:20ENLex Fridman· 29. Mai 2021Podcast · 2 StimmenThe closer quarks get, the weaker they pullGast: Frank Wilczek · Moderation: Lex FridmanNobel physicist Frank Wilczek talks with Lex Fridman about asymptotic freedom, beauty, dark matter, consciousness, and whether a theory of everything would even help.
2:40:00ENLex Fridman· 7. Nov. 2020Podcast · 2 StimmenThe Light Never Broke the Speed Limit. Space Itself Stretched.Gast: Alex Filippenko · Moderation: Lex FridmanBerkeley astrophysicist Alex Filippenko talks dark energy, exploding stars, aliens, and how a 13.7-billion-year-old universe can be 45.7 billion light-years across.
34:50ENLex Fridman· 10. Juli 2019Podcast · 2 StimmenA cheap simulation would render only you, and the wall would have nothing behind itGast: Sean Carroll · Moderation: Lex FridmanSean Carroll walks Lex Fridman from ice-cream emergence and quantum-circuit cosmology to Fermi's paradox, the origin of life, and why academia punishes the conversations that actually change fields.