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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116 | Teresa Bejan on Free Speech, Civility, and Toleration

116 | Teresa Bejan on Free Speech, Civility, and Toleration

How can, and should, we talk to each other, especially to people with whom we disagree? "Free speech" is rightfully entrenched as an important value in liberal democratic societies, but implementing i...

28 Syys 20201h 43min

115 | Netta Engelhardt on Black Hole Information, Wormholes, and Quantum Gravity

115 | Netta Engelhardt on Black Hole Information, Wormholes, and Quantum Gravity

Stephen Hawking made a number of memorable contributions to physics, but perhaps his greatest was a puzzle: what happens to information that falls into a black hole? The question sits squarely at the ...

21 Syys 20201h 27min

114 | Angela Chen on Asexuality in a Sex-Preoccupied World

114 | Angela Chen on Asexuality in a Sex-Preoccupied World

Sexuality is, and always has been, a topic that is endlessly fascinating but also contentious. You might think that asexuality would be more straightforward, but you'd be wrong. Asexual people, or "ac...

14 Syys 20201h 8min

113 | Cailin O'Connor on Game Theory, Evolution, and the Origins of Unfairness

113 | Cailin O'Connor on Game Theory, Evolution, and the Origins of Unfairness

You can't always get what you want, as a wise person once said. But we do try, even when someone else wants the same thing. Our lives as people, and the evolution of other animals over time, are shape...

7 Syys 20201h 19min

112 | Fyodor Urnov on Gene Editing, CRISPR, and Human Engineering

112 | Fyodor Urnov on Gene Editing, CRISPR, and Human Engineering

Not too long ago nobody carried a mobile phone; now almost everybody does. That's the kind of rate of rapid progress we're seeing with our ability to directly edit genomes. With the use of CRISPR-Cas9...

31 Elo 20201h 20min

111 | Nick Bostrom on Anthropic Selection and Living in a Simulation

111 | Nick Bostrom on Anthropic Selection and Living in a Simulation

Human civilization is only a few thousand years old (depending on how we count). So if civilization will ultimately last for millions of years, it could be considered surprising that we've found ourse...

24 Elo 20201h 20min

110 | Neil Johnson on Complexity, Conflict, and Infodemiology

110 | Neil Johnson on Complexity, Conflict, and Infodemiology

Physicists have traditionally simplified systems as much as possible, in order to shed light on fundamental properties. But small, simple parts build up into large, complex wholes. Are there new rules...

17 Elo 20201h 23min

109 | Jason Torchinsky on Our Self-Driving Future

109 | Jason Torchinsky on Our Self-Driving Future

It's easy to foresee that technological progress will change how we live; it's much harder to anticipate exactly how. Self-driving cars represent an enormous technological challenge, but one that is p...

10 Elo 20201h 18min

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