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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168 | Anil Seth on Emergence, Information, and Consciousness

168 | Anil Seth on Emergence, Information, and Consciousness

Those of us who think that that the laws of physics underlying everyday life are completely known tend to also think that consciousness is an emergent phenomenon that must be compatible with those law...

11 Loka 20211h 25min

167 | Chiara Marletto on Constructor Theory, Physics, and Possibility

167 | Chiara Marletto on Constructor Theory, Physics, and Possibility

Traditional physics works within the "Laplacian paradigm": you give me the state of the universe (or some closed system), some equations of motion, then I use those equations to evolve the system thro...

4 Loka 20211h 35min

166 | Betül Kaçar on Paleogenomics and Ancient Life

166 | Betül Kaçar on Paleogenomics and Ancient Life

In the question to understand the biology of life, we are (so far) limited to what happened here on Earth. That includes the diversity of biological organisms today, but also its entire past history. ...

27 Syys 20211h 14min

165 | Kathryn Paige Harden on Genetics, Luck, and Fairness

165 | Kathryn Paige Harden on Genetics, Luck, and Fairness

It's pretty clear that our genes affect, though they don't completely determine, who we grow up to be; children's physical and mental characteristics are not completely unrelated to those of their par...

20 Syys 20211h 25min

AMA | September 2021

AMA | September 2021

Welcome to the September 2021 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 q...

16 Syys 20213h 38min

164 | Herbert Gintis on Game Theory, Evolution, and Social Rationality

164 | Herbert Gintis on Game Theory, Evolution, and Social Rationality

How human beings behave is, for fairly evident reasons, a topic of intense interest to human beings. And yet, not only is there much we don't understand about human behavior, different academic discip...

13 Syys 20211h 29min

163 | Nigel Goldenfeld on Phase Transitions, Criticality, and Biology

163 | Nigel Goldenfeld on Phase Transitions, Criticality, and Biology

Physics is extremely good at describing simple systems with relatively few moving parts. Sadly, the world is not like that; many phenomena of interest are complex, with multiple interacting parts and ...

6 Syys 20211h 31min

162 | Leidy Klotz on Our Resistance to Subtractive Change

162 | Leidy Klotz on Our Resistance to Subtractive Change

There is no general theory of problem-solving, or even a reliable set of principles that will usually work. It's therefore interesting to see how our brains actually go about solving problems. Here's ...

30 Elo 20211h 14min

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