Neil Turok
speaker
2,693 appearances
2 recordings
1 series
first heard Apr 2025
last heard 22 Jun
Neil Turok’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Jun 2026 with 1.
Appearances
Right.
And, and pretty crazy as such people are.
But a friend of, we started worrying about the multiverse and a friend of mine went to ask John Nash, you know, what do you, now actually it wasn't even the multiverse.
In inflation, you find that you find bubbles, uh, which are called, Alan Guth calls them pocket universes.
Within the universe, you get a pocket universe, which is infinite in extent.
And now you kind of have to ask, where do I live?
And so there's the measure problem.
Inflation has this measure problem.
Nobody's ever solved it.
So a friend of mine went to Nash and said,
Can you define a measure on an infinite space?
And Nash says, no, it's ridiculous.
No chance.
So unless you have some special symmetries or, you know, something that really guides you, you are lost.
If your theory makes a randomly infinite space, you know...
Goodbye.
It's not going to be a predictive theory.
And I suspect the many worlds picture suffers from the same problem, that nobody's ever going to really be able to quantify probabilities or anything.
It's, it's a, you know, it's a bad nightmare.
So we'll see, maybe it'll turn out to be, maybe they will do.
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