331 | Solo: Fine-Tuning, God, and the Multiverse
2025-10-06 · 115 min · episode 331 · 7 entities
Asserted relationships
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evidence rules-v4
Feed author/publisher: Sean Carroll
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evidence rules-v4
Feed category: Science
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evidence rules-v4
Feed category: Physics
Entities found in this episode
concepts 5
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evidence rules-v4
Feed category: Science
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evidence rules-v4
Feed category: Physics
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evidence rules-v4
331 | Solo: Fine-Tuning, God, and the Multiverse
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0.40
evidence rules-v4
Feed category: Science
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evidence rules-v4
Feed category: Physics
persons 2
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evidence rules-v4
Feed author/publisher: Sean Carroll
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evidence rules-v4
Feed author/publisher: Sean Carroll
Episode description as stored
Certain features of our universe seem unnatural to us. These include "constants of nature" such as the cosmological constant and the mass of the Higgs boson, as well as features of the initial conditions like the curvature of space and the initial entropy. But they can't truly be "unnatural" -- they are literally features of Nature itself. Some have turned to the anthropic principle and the multiverse, while others look to theism for an explanation. I talk here about my views on the various attitudes one might take toward these apparent fine-tunings, and why it is important to think about them.
Blog post with transcript: https://www.preposterousuniverse.com/podcast/2025/10/06/331-solo-fine-tuning-god-and-the-multiverse/
S upport Mindscape on Patreon .
Some readings of relevance:
Livio and Rees, Fine-Tuning, Complexity, and Life in the Multiverse
Carroll, In What Sense Is the Early Universe Fine-Tuned?
Barnes, A Reasonable Little Question: A Formulation of the Fine-Tuning Argument
Goff, Our Improbable Existence Is No Evidence for a Multiverse
Neal, Puzzles of Anthropic Reasoning Resolved Using Full Non-indexical Conditioning