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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193 | Daniels on Everything, Everywhere, All at Once

193 | Daniels on Everything, Everywhere, All at Once

Every time we make an important decision, it's hard not to wonder how things would have turned out had we chosen differently. The set of all those hypothetical lives is a kind of "multiverse" — not on...

18 Huhti 20221h 8min

AMA | April 2022

AMA | April 2022

Welcome to the April 2022 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). I take the large number of quest...

14 Huhti 20223h 27min

192 | Nicole Yunger Halpern on Quantum Steampunk Thermodynamics

192 | Nicole Yunger Halpern on Quantum Steampunk Thermodynamics

Randomness and probability are central to modern physics. In statistical mechanics this is because we don't know everything about the distribution of atoms and molecules in a fluid, so we consider a p...

11 Huhti 20221h 17min

191 | Jane McGonigal on How to Imagine the Future

191 | Jane McGonigal on How to Imagine the Future

The future grows out of the present, but it manages to consistently surprise us. How can we get better at anticipating and preparing for what the future can be like? Jane McGonigal started out as a ga...

4 Huhti 20221h 21min

190 | Lea Goentoro on Regrowing Limbs

190 | Lea Goentoro on Regrowing Limbs

Biological organisms are pretty good at healing themselves, but their abilities fall short in crucial ways. Planaria can be cut into pieces, and each piece will regrow into an entire organism; but for...

28 Maalis 20221h 3min

189 | Brian Klaas on Power and the Temptation of Corruption

189 | Brian Klaas on Power and the Temptation of Corruption

All societies grant more power to some citizens, and there is always a temptation to use that power for the benefit of themselves rather than for the greater good. Power corrupts, we are told — but to...

21 Maalis 20221h 22min

AMA | March 2022

AMA | March 2022

Welcome to the March 2022 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). I take the large number of quest...

17 Maalis 20223h 18min

188 | Arik Kershenbaum on What Aliens Will Be Like

188 | Arik Kershenbaum on What Aliens Will Be Like

If extraterrestrial life is out there — not just microbial slime, but big, complex, macroscopic organisms — what will they be like? Movies have trained us to think that they won't be that different at...

14 Maalis 20221h 21min

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