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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Theories of Everything with Curt Jaimungal · David Wallace: Why Many Worlds Is the Only Consistent Interpretation · 29 May 2025 podcast

Um why w why why can I predict what it'll do in a in a in a volcano or a nuclear explosion or the sun?

Well, because the energy levels now are high enough that the those exquisitely complicated interactions that

make a living thing what it is, or just not.

N not scale relevant.

compared to the the energy scales of the volcano or the or the or the explosion.

Um that all of that I think is sort of

part of what we mean by saying ultimately we're pretty confidently underlying.

Um dynamics of the system is physics dynamics.

Uh, not very much, I think.

I mean Simon was my PhD supervisor and we worked together on this a lot in Oxford in the two thousands.

There were differences of style and emphasis.

I mean I focus much more on the sort of dynamical process of emergence um and the kind of language of worlds.

Simon certainly in some of Simon's earlier work was interested in um

somewhat more metaphysical questions about what the anal analogies were between

Everett branches and different instants of time in special relativity, and whether somehow the ontological strangeness of the Everett interpretation was ameliorated if you thought that other worlds existed

in something like the sense that other times existed.

Uh, the way I have tended to think about probability in Everett has been following the sort of decision theoretic strategies that David Deutsch developed.

And Simon, certainly in his recent work, has been interested in taking

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