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Into the Impossible With Brian Keating

Physicist Brian Keating interviews the cosmology-AI frontier; firsthand research detail and refutable claims.

Deep reads here5 / 640 episodes
Cadence~1 every 2.7 days
Latest2026-10-14
TopicsScience & Medicine
PriorityT3
1:06:19
Into the Impossible With Brian Keating 0922

Entropy Increasing Doesn't Mean Things Getting Messy: Oil and Water Separating, Frost Crystals Forming Are All Spontaneous Order

The second law of thermodynamics is often told as "things get messier and messier," but oil separating from water, beach sorting, and frost flowers on a window are all spontaneous order. Carlo Rovelli says low entropy may not be in the universe, but in the way we look at the universe.

8 Points 7 Quotes Quantum GravityEntropy and Time
2:05:24
Into the Impossible With Brian Keating 0917

Dark Matter Detection Is Outrunning Moore's Law, and All It Got Was One Event

The one nuclear recoil event LZ bought with seven tonnes of liquid xenon clears 3σ locally, but once you fold in the look-elsewhere effect it's down to 2.6σ — which is why the team has to keep saying it might just be a background fluctuation.

8 Points 8 Quotes Dark matterLiquid xenon detectors
15:35
Into the Impossible With Brian Keating 0915

The Milky Way's Outer Rotation Curve Is Falling. Dark Matter and MOND May Both Have Predicted Wrong

Gaia's measurement of the Milky Way's outer rotation curve looks like a Keplerian decline, while both dark matter halos and MOND expect it to stay flat — both sides need tuned parameters or external field effects to survive.

10 Points 8 Quotes AstrophysicsDark Matter
1:46:02
Into the Impossible With Brian Keating 0828

Time Doesn't Exist, and the Universe Didn't Come From Nothing

Cosmologist Brian Keating makes a counterintuitive case: time may not exist, and the universe didn't emerge from nothing. He also warns that AI can't replicate human intuition and can't be fully controlled.

8 Points 7 Quotes CosmologyTime
1:17:53
Into the Impossible With Brian Keating 0825

AI Didn't Collapse Because a Phase Transition Happened, Not Because of More Parameters

Physicist Nigel Goldenfeld uses the renormalization group and phase transitions to explain the mechanism by which AI still hasn't collapsed at a trillion parameters, and applies the same framework to answer why the genetic code is unique.

8 Points 6 Quotes Phase transitionsRenormalization group