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What's Fine-Tuning in Physics?

What is fine-tuning in physics? Why do the “constants of nature” — masses of subatomic particles and strengths of forces like gravity and electromagnetism — have the values they do? Does fine-tuning “cry out” for explanation? Featuring interviews with Bernard Carr, Luke Barnes, Geraint Lewis, George F. R. Ellis, and Abraham Loeb.

English
  • Originally Aired January 10, 2019
  • Runtime 30 minutes
  • Content Rating United States of America TV-G
  • Production Code 1903
  • Network PBS
  • Created September 2, 2020 by
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  • Modified September 2, 2020 by
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Name Type Role
Bernard Carr Guest Star
Luke Barnes Guest Star
Geraint Lewis Guest Star
George F. R. Ellis Guest Star
Robert Lawrence Kuhn Guest Star
Avi Loeb Guest Star