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Stephen Wolfram

πŸ‘€ Speaker
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4069 total appearances
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Podcast Appearances

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

And he did.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

It took a little while to iterate, but he had a proof.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

Unfortunately, the proof is very... It's a lot of micro details.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

It's not like you look at it and you say, aha, there's a big new principle.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

The big new principle is...

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

The simplest Turing machine that might have been universal actually is universal, and it's incredibly much simpler than the Turing machines that people already knew were universal before that.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

And so that, intuitionally, is important because it says computation universality is closer at hand than you might have thought.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

But the actual methods are not, in that particular case, were not terribly illuminated.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

It would be nice if the methods would also be elegant.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

That's true.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

Yeah, no, I mean, I think it's one of these things where, I mean, it's like a lot of we've talked about earlier, kind of, you know, opening up AIs and machine learning and things of what's going on inside.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

And is it just step by step?

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

Or can you sort of see the bigger picture more abstractly?

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

It's unfortunate.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

That's true.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

But you know, one of the things is that's another consequence of computational irreducibility.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

This fact that there are even quite short

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

results in mathematics whose proofs are arbitrarily long.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

That's a consequence of all this stuff.

Lex Fridman Podcast
#89 – Stephen Wolfram: Cellular Automata, Computation, and Physics

And it makes one wonder, you know, how come mathematics is possible at all?