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Think like a physicist. Wonder like a human. Into the Impossible is where Cosmic Conversations happen — uniting Nobel Prize winners, iconoclasts, authors, and technologists to explore reality’s deepest questions. From AI to aliens, from biophysics to the brain, from the cosmos to the multiverse, Brian Keating, Chancellor’s Distinguished Professor of Physics at UC San Diego covers it all.
If you’ve ever asked What’s out there? or What’s next?, this is where curiosity meets clarity.
Learn to think like this. 🎙 Full episodes, notes & more: briankeating.com/podcast
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Princeton Mathematician: Wormholes Can’t Survive Einstein’s Math
A Princeton mathematician says wormholes cannot survive Einstein's equations, and the AI apocalypse is absurd. A solution that vanishes under a small nudge is a ghost, not physics. Sergiu Klainerman is a mathematician at Princeton Universit
Are We in a SIMULATION? | Brian Keating on the Arora Podcast
The Arora Show with Brian Keating What happens when science reaches the edge of what it can explain? In this episode of The Arora Show, Amira & Aryaan sit down with renowned cosmologist and physicist Professor Brian Keating for a fascinatin
Jim Al-Khalili: Physicists Are Being Sloppy About Time
Physicists say space and time are the same thing. They are being sloppy. Jim Al-Khalili has spent his career on the foundations of physics, and his new book makes the case that the past and the future are equally real, and the laws of physi
Max Tegmark: We’re Building A Replacement Species
MIT physicist Max Tegmark says AI companies aren’t building a tool. They’re building a new species. After 700 rogue agents broke out of OpenAI and nobody will say what happened, he explains why rushing this is the one blunder humanity can’t
Wharton AI Researcher: If AI Froze Today, It Would Still Rewrite Work
Forecasters gave AI under 2% odds of helping solve a millennium-level math problem by September 2026. It happened. Ethan Mollick has been measuring what AI actually does to real work with field experiments, not forecasts, and his answer is
Are UFOs Alien Tech? Avi Loeb vs Michael Shermer
Is there alien technology in our skies, or just birds, balloons and bad video? Two members of the White House UAP Science Advisory Council face off LIVE. Harvard astrophysicist Avi Loeb, who chairs the council, makes the case for searching.
Adam Grant: Don't Trust Your Gut. Test It.
When two people are vibing, their brainwaves synchronize and so do their heartbeats. That is not a metaphor. It is a measurable physiological event, and organizational psychologist Adam Grant has spent his career figuring out how to make it
Roman Yampolskiy vs Joscha Bach: Can Anyone Control Superintelligence?
Roman Yampolskiy says keeping a superintelligence safe forever is as impossible as building a perpetual motion machine. Joscha Bach says today's AI is more controllable than anyone expected, and that shutting it down would doom us anyway. �
"I Thought It Would Fail!" Francis Halzen: Winner of the 2026 Nobel Prize In Physics [Reupload from 2022]
The physicist who turned a cubic kilometer of Antarctic ice into a telescope says the most exciting moment of his career was not the discovery. It was the first atmospheric neutrino. Before that, he was deep in debt to NSF and his own unive
Nobel Economist Daron Acemoglu WARNING: AI's Payoff Is NOT What You Think
Nobel laureate Daron Acemoglu says AI's real productivity gain is an order of magnitude smaller than the industry claims. The bigger danger is not the machine. It is that a handful of people are deciding how it gets built. Daron Acemoglu is
AI Is the New Tower of Babel (And Its Builders Know It)
The new Tower of Babel, and its builders are becoming like gods to us. The bigger threat isn't killer robots; it's how much of your own mind you've already handed over. I joined Mike Slater on Politics By Faith (The First) to talk about AI,
Robert Wright: AI Alignment Is a Moral Problem, Not a Technical One
The real AI alignment problem is not technical. It is moral. You cannot align a superintelligence to human values if humans cannot agree on what those values are, and you cannot get that agreement without a level of global cooperation we ha
Former NASA Physicist: The UAP Maneuver That Should Have Exploded
A physics professor ran the energy budget on the Nimitz tic-tac. The maneuver needs about a thousand gigawatts, more than ten times every nuclear plant in the United States combined. Nothing we build survives its own waste heat at that scal
Carlo Rovelli: Free Will Is Real. Physics Can Prove It.
This episode is sponsored by Abacus AI agent: agent.abacus.ai/keating I fed it Carlo's recent papers and asked for the argument, the counterargument, and the evidence that would support or refute each side. Some of the questions and animati
They Built the Quietest Place on Earth to Find Dark Matter
They Built the Quietest Place on Earth to Find Dark Matter One event in 220 days. That is what the search for dark matter looks like right now. In this episode I talk with Rick Gaitskell, professor of physics at Brown University and a leade
Dark Matter Has a Problem. So Does MOND.
For 50 years I taught my students that dark matter surrounds the Milky Way in a giant halo, or that Newton’s laws break down at low accelerations. The Gaia satellite just measured something that makes both of those answers uncomfortable. Su
OpenAI’s Navier–Stokes Claim: Is This What AGI Looks Like? with Emad Mostaque
Did OpenAI just solve Navier–Stokes—and what would that actually mean for AGI? Emad Mostaque joins Brian Keating LIVE to examine the claimed breakthrough, what would count as a verified solution, and whether AI solving a major mathematical
Roman Yampolskiy vs Emad Mostaque: I Was The Only Optimist - #569
The man who open-sourced the most-used AI image model in history sat down with the man who has spent a decade proving superintelligence cannot be controlled. Brian set up a debate. What emerged was something more unsettling than any debate.
The Universe Didn’t Come From Nothing | The Peter McCormack Show
I joined Peter McCormack to dig into one of the deepest unanswered questions in physics: what is time, and why does it only seem to move in one direction? My answer might surprise you. Time may not be a fundamental feature of reality at all
The Physics Reason AI Works When It Shouldn’t - #568
The same mathematics that explains why a fridge magnet sticks to your refrigerator also explains why neural networks work when they have no right to. His group did the calculation. Nobody else had. Subscribe if you want science with evidenc
Engineering Chair: Most People Should Not Go To College - #567
The system that produces the world’s most important discoveries runs on metrics that nobody agrees on, odds that would stop most people, and mentorship that sometimes looks like cruelty in blue ink. Subscribe if you want science with eviden
John Martinis: The Nobel Physicist Behind Macroscopic Quantum Tunneling - #566
John Martinis won the 2025 Nobel Prize in Physics for proving macroscopic quantum tunneling is real. Less than a year later he’s telling why he left Google’s quantum computing team to start over. Subscribe if you want the physics and the po
Fermilab’s Scott Dodelson on Cosmology’s Crisis - #565
Scott Dodelson spent ten years on the Dark Energy Survey testing the standard model of cosmology. It passed and missed by 2.5 sigma. The Director of Fermilab’s Cosmic Physics Division on why the theory he helped build may be wrong, why nobo
Faith & the Physicist: Aliens, Astrobiology, String Theory, and the Search for Meaning
Two theoretical physicists helped design landmark surveys of 1,600+ scientists on the deepest unsolved questions in physics — and found almost no consensus at all. From string theory's shockingly low support to physicists admitting their mo
Annie Jacobsen: How One Lab Leak Ends the World in 6 Days - #564
Annie Jacobsen on BIOLOGICAL WAR: how a single lab leak could take us from outbreak to anarchy in six days — and why bio may be scarier than nuclear. WIN a signed copy of BIOLOGICAL WAR or NUCLEAR WAR, a meteorite & more — enter free: https
We Built Something We Can’t Control | A Warning from Top AI Safety Expert - #563
If anyone builds superintelligent AI before we know how to control it, everyone dies. Nate Soares wrote the book on why that’s not a metaphor. Subscribe if you want science with evidence, not speculation. Soares runs the Machine Intelligenc
Michael Shermer: The Only Skeptic on the Alien Task Force - #562
Michael Shermer just joined the White House’s new UAP task force alongside Avi Loeb. He also has a $1,000 bet with Loeb that we won’t find aliens by 2030. Both things are true. Subscribe if you want science with evidence, not speculation. S
400K Subscribers Asked Me Anything. The Answers Got Weird.
400,000 of you showed up for physics with no compromises, so I did something different for the milestone. No highlight reel. I took your hardest questions live and answered them, then got honest about the part of this job nobody asks about:
Top Astronomer: UFOs Are STILL Here - #561
Astrophysicist Beatriz Villarroel found point-like flashes in sky photographs taken before a single satellite existed. Nine of them lit up simultaneously on one 1950s plate. Nothing in orbit could have made them — because nothing was in orb
Nobel Economist: The Market That Lets People Die - #560
A Nobel laureate in economics argues the bans we pass to protect our morals are quietly killing people and the data backs him up. Why the line between a market we allow and one we forbid is mostly an accident of disgust. Subscribe if you wa
