36 | David Albert on Quantum Measurement and the Problems with Many-Worlds

36 | David Albert on Quantum Measurement and the Problems with Many-Worlds

Quantum mechanics is our best theory of how reality works at a fundamental level, yet physicists still can't agree on what the theory actually says. At the heart of the puzzle is the "measurement problem": what actually happens when we observe a quantum system, and why do we apparently need separate rules when it happens? David Albert is one of the leading figures in the foundations of quantum mechanics today, and we discuss the measurement problem and why it's so puzzling. Then we dive into the Many-Worlds version of quantum mechanics, which is my favorite (as I explain in my forthcoming book Something Deeply Hidden). It is not David's favorite, so he presents the case as to why you should be skeptical of Many-Worlds. (The philosophically respectable case, that is, not a vague unease at all those other universes.) Support Mindscape on Patreon or Paypal. David Albert received his Ph.D. in physics from Rockefeller University. He is currently the Frederick E. Woodbridge Professor of Philosophy at Columbia University. His research involves a number of topics within the foundations of physics, including the arrow of time (coining the phrase "Past Hypothesis" for the low-entropy state of the early universe) and quantum mechanics. He is the author of a number of books, including Time and Chance, Quantum Mechanics and Experience, and After Physics. Columbia web page Publications at PhilPapers Wikipedia page Videos at Closer to Truth BigThink interview

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263 | Chris Quigg on Symmetry and the Birth of the Standard Model

263 | Chris Quigg on Symmetry and the Birth of the Standard Model

Einstein's theory of general relativity is distinguished by its singular simplicity and beauty. The Standard Model of Particle Physics, by contrast, is a bit of a mess. So many particles and interacti...

22 Jan 20241h 26min

262 | Eric Schwitzgebel on the Weirdness of the World

262 | Eric Schwitzgebel on the Weirdness of the World

Scientists and philosophers sometimes advocate pretty outrageous-sounding ideas about the fundamental nature of reality. (Arguably I have been guilty of this.) It shouldn't be surprising that reality,...

15 Jan 20241h 20min

261 | Sanjana Curtis on the Origins of the Elements

261 | Sanjana Curtis on the Origins of the Elements

In mid-20th-century cosmology, there was a debate over the origin of the chemical elements. Some thought that they could be produced in the Big Bang, while others argued that they were made inside sta...

8 Jan 20241h 7min

260 | Ricard Solé on the Space of Cognitions

260 | Ricard Solé on the Space of Cognitions

Octopuses, artificial intelligence, and advanced alien civilizations: for many reasons, it's interesting to contemplate ways of thinking other than whatever it is we humans do. How should we think abo...

1 Jan 20241h 10min

Holiday Message: Reflections on Immortality

Holiday Message: Reflections on Immortality

The final Mindscape podcast of each year is devoted to a short, reflective Holiday Message. This year the theme is Immortality: whether it's an attractive idea, and whether the laws of physics and cos...

18 Dec 202355min

259 | Adam Frank on What Aliens Might Be Like

259 | Adam Frank on What Aliens Might Be Like

It wasn't that long ago that topics like the nature of consciousness, or the foundations of quantum mechanics, or prospects for extraterrestrial life were considered fringey and disreputable by much o...

11 Dec 20231h 18min

AMA | December 2023

AMA | December 2023

Welcome to the December 2023 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 Dec 20233h 36min

258 | Solo: AI Thinks Different

258 | Solo: AI Thinks Different

The Artificial Intelligence landscape is changing with remarkable speed these days, and the capability of Large Language Models in particular has led to speculation (and hope, and fear) that we could ...

27 Nov 20231h 20min

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