David Wallace
speaker
1,940 appearances
2 recordings
1 series
first heard May 2025
last heard 20 Jul
David Wallace’s voice in public audio — every appearance, attributed to the second.
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Appearances
Um
And so I think the perspective that says what we want to do is just take classical general relativity, take the abstract ideas of quantum mechanics and put them together is not recognising how much quantum gravity we already have and already actually use in mostly astrophysical, cosmological contexts.
Um and it's somewhat a style choice to mostly talk the way I talk.
Um
The
I mean when when I uh
when I when I r refer to these things in sort of semi popular context, I'll normally say that the Everett interpretation is sometimes called the many worlds theory.
Mm.
Okay.
The
the reason I tend to use that stylistic approach and it goes to the title of the book is to talk out of many worlds theory
tends to give people the impression that somehow the worlds are a thing you've added to quantum mechanics to make a new theory, a theory of many worlds.
Uh and that's not how the effort interpretation works.
It is a many worlds theory, but only because the worlds are sort of dynamically emergent from quantum mechanics.
Yeah, yeah.
If you think if you think of collapse as an ax as an axiom in quantum mechanics, which said in some formulations it will be put that way, then yes, exactly.
The Everett interpretation simplifies by removing that axiom.
No, I I argue that axiom is used much less in the practice of quantum mechanics than people think it is, but but yeah, it's certainly true that if you go to say Dierakov von Neumann's books, they have it in as an explicit axiom.
So I think in many ways, it's what I've just said.
It's that the
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