
#23 Geraint Lewis - Fine-Tuning, Multiverse, Cosmological Tensions
From Cool Worlds Podcast by coolworldslab
June 26, 2025 · 1h 17m · Episode 23
About this episode
David interviews Geraint Lewis about fine-tuning and its implications for the multiverse theory.
In this week's episode, David is joined by Geraint Lewis, Professor of Astrophysics at Sydney University. Geraint is a proponent of the fine-tuning argument as evidence for a multiverse and has authored a book on the topic "A Fortunate Universe: Life in a Finely Tuned Cosmos" [https://shorturl.at/xLyak]. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]
People in this episode
Host: David
Guest: Geraint Lewis
Topics covered
- fine-tuning
- multiverse
- cosmology
- astrophysics
- cosmological tensions
Keywords
- fine-tuning
- multiverse
- cosmology
- Geraint Lewis
- astrophysics
Mentioned in this episode
Organizations: Sydney University
Books & works: A Fortunate Universe: Life in a Finely Tuned Cosmos
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