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

Episoder(417)

71 | Philip Goff on Consciousness Everywhere

71 | Philip Goff on Consciousness Everywhere

The human brain contains roughly 85 billion neurons, wired together in an extraordinarily complex network of interconnected parts. It's hardly surprising that we don't understand the mind and how it w...

4 Nov 20191h 34min

70 | Katie Mack on How the Universe Will End

70 | Katie Mack on How the Universe Will End

Cosmologists are always talking excitedly about the Big Bang and all the cool stuff that happened in the 14 billion years between then and now. But what about the future? We don't know for sure, but w...

28 Okt 20191h 23min

69 | Cory Doctorow on Technology, Monopoly, and the Future of the Internet

69 | Cory Doctorow on Technology, Monopoly, and the Future of the Internet

Like so many technological innovations, the internet is something that burst on the scene and pervaded human life well before we had time to sit down and think through how something like that should w...

21 Okt 20191h 17min

68 | Melanie Mitchell on Artificial Intelligence and the Challenge of Common Sense

68 | Melanie Mitchell on Artificial Intelligence and the Challenge of Common Sense

Artificial intelligence is better than humans at playing chess or go, but still has trouble holding a conversation or driving a car. A simple way to think about the discrepancy is through the lens of ...

14 Okt 20191h 22min

67 | Kate Jeffery on Entropy, Complexity, and Evolution

67 | Kate Jeffery on Entropy, Complexity, and Evolution

Our observable universe started out in a highly non-generic state, one of very low entropy, and disorderliness has been growing ever since. How, then, can we account for the appearance of complex syst...

7 Okt 20191h 12min

66 | Will Wilkinson on Partisan Polarization and the Urban/Rural Divide

66 | Will Wilkinson on Partisan Polarization and the Urban/Rural Divide

The idea of "red states" and "blue states" burst on the scene during the 2000 U.S. Presidential elections, and has a been a staple of political commentary ever since. But it's become increasingly clea...

30 Sep 20191h 52min

65 | Michael Mann on Why Our Climate Is Changing and How We Know

65 | Michael Mann on Why Our Climate Is Changing and How We Know

We had our fun last week, exploring how progress in renewable energy and electric vehicles may help us combat encroaching climate change. This week we're being a bit more hard-nosed, taking a look at ...

23 Sep 20191h 17min

64 | Ramez Naam on Renewable Energy and an Optimistic Future

64 | Ramez Naam on Renewable Energy and an Optimistic Future

The Earth is heating up, and it's our fault. But human beings are not always complete idiots (occasional contrary evidence notwithstanding), and sometimes we can even be downright clever. Dare we imag...

16 Sep 20191h 16min

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