Stephen Wolfram: Complexity and the Fabric of Reality | Lex Fridman Podcast #234

Stephen Wolfram is a computer scientist, mathematician, and theoretical physicist. Please support this podcast by checking out our sponsors:
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EPISODE LINKS:
Stephen’s Twitter: https://twitter.com/stephen_wolfram
Stephen’s Blog: https://writings.stephenwolfram.com
Wolfram Physics Project: https://www.wolframphysics.org
A New Kind of Science (book): https://amzn.to/30XoEun
Fundamental Theory of Physics (book): https://amzn.to/30XbAoT

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
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Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4
Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41

OUTLINE:
0:00 – Introduction
0:57 – What is complexity
13:58 – Randomness in the universe
18:19 – The Wolfram Physics Project
30:21 – Space and time are discrete
42:26 – Quantum mechanics and hypergraphs
51:40 – What is intelligence
1:02:23 – Computational equivalence
1:10:43 – What it is like to be a cellular automata
1:25:07 – Making prediction vs explanations
1:38:27 – Why does the universe exist
1:44:08 – The universe and rulial space
1:52:51 – Does an atom have consciousness
2:03:17 – Why does our universe exist
2:11:48 – What is outside the ruliad
2:22:22 – Automated proof systems
2:38:17 – Multicomputation for biology
2:56:48 – Cardano NFT collaboration with Wolfram Alpha
3:03:48 – Global theory of economics

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