158 | David Wallace on the Arrow of Time

The arrow of time — all the ways in which the past differs from the future — is a fascinating subject because it connects everyday phenomena (memory, aging, cause and effect) to deep questions in physics and philosophy. At its heart is the fact that entropy increases over time, which in turn can be traced to special conditions in the early universe. David Wallace is one of the world's leading philosophers working on the foundations of physics, including space and time as well as quantum mechanics. We talk about how increasing entropy gives rise to the arrow of time, and what it is about the early universe that makes this happen. Then we cannot help but connecting this story to features of the Many-Worlds (Everett) interpretation of quantum mechanics.

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David Wallace received a D.Phil. in Physics and a D.Phil. in Philosophy from Oxford University. He is currently W.A. Mellon Professor of Philosophy of Science, with joint appointments in the Philosophy Department and the Department of History and Philosophy of Science, at the University of Pittsburgh. He is the author of The Emergent Multiverse: Quantum Theory According to the Everett Interpretation. Among his honors are the Lakatos Award for outstanding contribution to the philosophy of science. His most recent book is Philosophy of Physics: A Very Short Introduction.


Episoder(416)

AMA | December 2024

AMA | December 2024

Welcome to the December 2024 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Pa...

2 Des 20243h 55min

297 | Emily Wilson on Homer, Poetry, and Translation

297 | Emily Wilson on Homer, Poetry, and Translation

Not too long ago, Brad Pitt and Eric Bana starred in a (loose) adaptation of Homer's epic poem The Iliad; next month, Ralph Fiennes and Juliette Binoche will headline a film based on The Odyssey. Give...

25 Nov 20241h 15min

296 | Brandon Ogbunu on Fitness Seascapes and the Course of Evolution

296 | Brandon Ogbunu on Fitness Seascapes and the Course of Evolution

Biological evolution via natural selection is a simple idea that becomes enormously complicated in its realization. Populations of organisms are driven toward increased "fitness," a measure of how suc...

18 Nov 20241h 15min

295 | Solo: Emergence and Layers of Reality

295 | Solo: Emergence and Layers of Reality

Emergence is a centrally important concept in science and philosophy. Indeed, the existence of higher-level emergent properties helps render the world intelligible to us -- we can sensibly understand ...

11 Nov 20241h 35min

AMA | November 2024

AMA | November 2024

Welcome to the November 2024 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Pa...

4 Nov 20243h 50min

294 | Addy Pross on Dynamics, Stability, and Life

294 | Addy Pross on Dynamics, Stability, and Life

Erwin Schrödinger said that the important characteristic of life is that it "goes on doing something... for a much longer period than we would expect an inanimate piece of matter to keep going under s...

28 Okt 20241h 11min

293 | Doyne Farmer on Chaos, Crashes, and Economic Complexity

293 | Doyne Farmer on Chaos, Crashes, and Economic Complexity

A large economy is one of the best examples we have of complex dynamics. There are multiple components arranged in complicated overlapping hierarchies, out-of-equilibrium dynamics, nonlinear coupling ...

21 Okt 20241h 11min

292 | Jonathan Birch on Animal Sentience

292 | Jonathan Birch on Animal Sentience

It's not immoral to kick a rock; it is immoral to kick a baby. At what point do we start saying that it is wrong to cause pain to something? This question has less to do with "consciousness" and more ...

14 Okt 20241h 10min

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