Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas 155 | Stephen Wolfram on Computation, Hypergraphs, and Fundamental Physics
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Jul 12, 2021 
Stephen Wolfram, the visionary behind Wolfram Research and creator of Mathematica, discusses his exciting Wolfram Physics Project aimed at uncovering the universe's fundamental laws through hypergraphs. He explains how simple computational rules can lead to complex phenomena like quantum mechanics and general relativity. The conversation dives into the ties between consciousness and observers in physics, the nature of multi-way graphs, and the challenges of reconciling quantum mechanics with general relativity, all while inviting public engagement in this groundbreaking research.
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Computational Universe
- Wolfram's approach explores the computational universe, where simple programs can yield complex behaviors.
- This contrasts with the traditional physics approach of reverse-engineering explanations from observed phenomena.
Computational Irreducibility
- Many systems are computationally irreducible, meaning their behavior can only be predicted by running each step.
- This contrasts with traditional science's goal of finding shortcuts for prediction.
Space, Time, and Hypergraphs
- Wolfram's model represents space as a hypergraph and time as the process of updating it.
- The sequence of updated hypergraphs constitutes space-time, though the choice of simultaneity surface is observer-dependent.
