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Preface 1 The Foundations for a New Kind of Science 2 The Crucial Experiment 3 The World of Simple Programs 4 Systems Based on Numbers 5 Two Dimensions and Beyond 6 Starting from Randomness 7 Mechanisms in Programs and Nature 8 Implications for Everyday Systems 9 Fundamental Physics 10 Processes of Perception and Analysis 11 The Notion of Computation 12 The Principle of Computational Equivalence Notes

A New Kind of Science: Twentieth Anniversary Collection

Celebrate 20 years of NKS with this collectible box set containing hardcover copies of A New Kind of Science, A Project to Find the Fundamental Theory of Physics and the commemorative Twenty Years of A New Kind of Science.

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Writings & Livestreams

Image Ep 2: Philosophy Discussion with Stephen Wolfram and Michelle Gilmore Physics Project Working Session | April 1, 2026 Image Science & Technology Q&A for Kids (and others) [Episode 165] Physics Project Working Session | March 13, 2026 Image Ep 1: Philosophy Discussion with Stephen Wolfram and Mark Jago Physics Project Working Session | March 11, 2026 Image Live CEOing Ep 970: Language Design in Wolfram Language [ArrayPlot, Skeleton and More] Physics Project Working Session | March 11, 2026 Image Live CEOing Ep 969: Language Design in Wolfram Language [Graphic Issues] Physics Project Working Session | March 10, 2026 Image Future of Science and Technology Q&A (March 6, 2026) Physics Project Working Session | March 6, 2026 Image History of Science and Technology Q&A (March 4, 2026) Physics Project Working Session | March 4, 2026 Image Live CEOing Ep 968: Language Design in Wolfram Language [Core Language and More] Physics Project Working Session | March 4, 2026 Image What Ultimately Is There? Metaphysics and the Ruliad Physics Project Working Session | February 26, 2026 Image Live CEOing Ep 967: Language Design in Wolfram Language [Graphic Issues] Physics Project Working Session | February 24, 2026
Image Making Wolfram Tech Available as a Foundation Tool for LLM Systems Writing | February 23, 2026 Image What Ultimately Is There? Metaphysics and the Ruliad Writing | February 4, 2026 Image P vs. NP and the Difficulty of Computation: A Ruliological Approach Writing | January 30, 2026 Image What Is Ruliology? Writing | January 12, 2026 Image Instant Supercompute: Launching Wolfram Compute Services Writing | December 2, 2025 Image What's Special about Life? Bulk Orchestration and the Rulial Ensemble in Biology and Beyond Writing | November 11, 2025 Image The Ruliology of Lambdas Writing | September 15, 2025 Image "I Have a Theory Too": The Challenge and Opportunity of Avocational Science Writing | August 14, 2025 Image New Features Everywhere: Launching Version 14.3 of Wolfram Language & Mathematica Writing | August 5, 2025 Image What If We Had Bigger Brains? Imagining Minds beyond Ours Writing | May 21, 2025
Image Ep 2: Philosophy Discussion with Stephen Wolfram and Michelle Gilmore Physics Project Working Session | April 1, 2026 Image Science & Technology Q&A for Kids (and others) [Episode 165] Physics Project Working Session | March 13, 2026 Image Ep 1: Philosophy Discussion with Stephen Wolfram and Mark Jago Physics Project Working Session | March 11, 2026 Image Live CEOing Ep 970: Language Design in Wolfram Language [ArrayPlot, Skeleton and More] Physics Project Working Session | March 11, 2026 Image Live CEOing Ep 969: Language Design in Wolfram Language [Graphic Issues] Physics Project Working Session | March 10, 2026 Image Future of Science and Technology Q&A (March 6, 2026) Physics Project Working Session | March 6, 2026 Image History of Science and Technology Q&A (March 4, 2026) Physics Project Working Session | March 4, 2026 Image Live CEOing Ep 968: Language Design in Wolfram Language [Core Language and More] Physics Project Working Session | March 4, 2026 Image What Ultimately Is There? Metaphysics and the Ruliad Physics Project Working Session | February 26, 2026 Image Live CEOing Ep 967: Language Design in Wolfram Language [Graphic Issues] Physics Project Working Session | February 24, 2026
Image P vs. NP and the Difficulty of Computation: A Ruliological Approach NKS | January 30, 2026 Image What Is Ruliology? NKS | January 12, 2026 Image What's Special about Life? Bulk Orchestration and the Rulial Ensemble in Biology and Beyond NKS | November 11, 2025 Image The Ruliology of Lambdas NKS | September 15, 2025 Image What Can We Learn about Engineering and Innovation from Half a Century of the Game of Life Cellular Automaton? NKS | March 18, 2025 Image Towards a Computational Formalization for Foundations of Medicine NKS | February 3, 2025 Image Foundations of Biological Evolution: More Results & More Surprises NKS | December 5, 2024 Image Nestedly Recursive Functions NKS | September 27, 2024 Image What's Really Going On in Machine Learning? Some Minimal Models NKS | August 22, 2024 Image Ruliology of the "Forgotten" Code 10 NKS | June 1, 2024
Image Ep 2: Philosophy Discussion with Stephen Wolfram and Michelle Gilmore Physics Project Working Session | April 1, 2026 Image Science & Technology Q&A for Kids (and others) [Episode 165] Physics Project Working Session | March 13, 2026 Image Ep 1: Philosophy Discussion with Stephen Wolfram and Mark Jago Physics Project Working Session | March 11, 2026 Image Live CEOing Ep 970: Language Design in Wolfram Language [ArrayPlot, Skeleton and More] Physics Project Working Session | March 11, 2026 Image Live CEOing Ep 969: Language Design in Wolfram Language [Graphic Issues] Physics Project Working Session | March 10, 2026 Image Future of Science and Technology Q&A (March 6, 2026) Physics Project Working Session | March 6, 2026 Image History of Science and Technology Q&A (March 4, 2026) Physics Project Working Session | March 4, 2026 Image Live CEOing Ep 968: Language Design in Wolfram Language [Core Language and More] Physics Project Working Session | March 4, 2026 Image What Ultimately Is There? Metaphysics and the Ruliad Physics Project Working Session | February 26, 2026 Image Live CEOing Ep 967: Language Design in Wolfram Language [Graphic Issues] Physics Project Working Session | February 24, 2026
Image P vs. NP and the Difficulty of Computation: A Ruliological Approach Ruliology | January 30, 2026 Image What Is Ruliology? Ruliology | January 12, 2026 Image What's Special about Life? Bulk Orchestration and the Rulial Ensemble in Biology and Beyond Ruliology | November 11, 2025 Image The Ruliology of Lambdas Ruliology | September 15, 2025 Image What Can We Learn about Engineering and Innovation from Half a Century of the Game of Life Cellular Automaton? Ruliology | March 18, 2025 Image Who Can Understand the Proof? A Window on Formalized Mathematics Ruliology | January 9, 2025 Image Foundations of Biological Evolution: More Results & More Surprises Ruliology | December 5, 2024 Image Nestedly Recursive Functions Ruliology | September 27, 2024 Image What's Really Going On in Machine Learning? Some Minimal Models Ruliology | August 22, 2024 Image Ruliology of the "Forgotten" Code 10 Ruliology | June 1, 2024