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

Jaksot(417)

219 | Dani Bassett and Perry Zurn on the Neuroscience and Philosophy of Curiosity

219 | Dani Bassett and Perry Zurn on the Neuroscience and Philosophy of Curiosity

It's easy enough to proclaim that we are curious creatures, but what does that really mean? What kinds of curiosity are there? And how does curiosity arise in our brains? Perry Zurn and Dani Bassett a...

28 Marras 20221h 2min

218 | Raphael Bousso on Black Holes and the Holographic Universe

218 | Raphael Bousso on Black Holes and the Holographic Universe

Stephen Hawking's discoveries of black hole radiation, entropy, and the information-loss problem have both taught us an enormous amount about the relationship between quantum mechanics and gravity, an...

21 Marras 20221h 21min

217 | Margaret Levi on Moral Political Economy

217 | Margaret Levi on Moral Political Economy

Why do people voluntarily hand over authority to a government? Under what conditions should they do so? These questions are both timeless and extremely timely, as modern democratic governments struggl...

14 Marras 20221h 21min

AMA | November 2022

AMA | November 2022

Welcome to the November 2022 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...

7 Marras 20223h

216 | John Allen Paulos on Numbers, Narratives, and Numeracy

216 | John Allen Paulos on Numbers, Narratives, and Numeracy

People have a complicated relationship to mathematics. We all use it in our everyday lives, from calculating a tip at a restaurant to estimating the probability of some future event. But many people f...

31 Loka 20221h 10min

215 | Barry Loewer on Physics, Counterfactuals, and the Macroworld

215 | Barry Loewer on Physics, Counterfactuals, and the Macroworld

The founders of statistical mechanics in the 19th century faced an uphill battle to convince their fellow physicists that the laws of thermodynamics could be derived from the random motions of microsc...

24 Loka 20221h 34min

214 | Antonio Padilla on Large Numbers and the Scope of the Universe

214 | Antonio Padilla on Large Numbers and the Scope of the Universe

It's a big universe we live in, so it comes as no surprise that big numbers are needed to describe it. There are roughly 10^22 stars in the observable universe, and about 10^88 particles altogether. B...

17 Loka 20221h 15min

AMA | October 2022

AMA | October 2022

Welcome to the October 2022 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 Pat...

10 Loka 20223h 1min

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