Sean Carroll's Mindscape · August 31, 2026 · 01:15:16

366 | Jim Al-Khalili on Time, Quantum, Biology, and Cosmology

Jim Al-Khalili joins Sean Carroll to explore the nature of time, from its fundamental status in physics to its arrow pointing from past to future. They discuss how time connects to open questions in biology, cosmology, and quantum mechanics. Al-Khalili shares insights from his new book, "On Time: The Physics that Makes the Universe Tick," probing what time means at the most basic level.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Canon

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The arrow of time

Why time has a direction from past to future, and how that arrow connects to thermodynamics and cosmology.

Claude ChatGPT Gemini

Novel

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Is time fundamental or emergent?

Whether time is a fundamental ingredient of reality or emerges from something deeper remains an open question in physics.

Claude ChatGPT Gemini

Highlights

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Time in quantum biology

How open questions about time intersect with biological processes at the quantum level.

Claude ChatGPT Gemini

References

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On Time: The Physics that Makes the Universe Tick — Jim Al-Khalili (2026) — new book discussed in the episode

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