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.

Writings & Livestreams

Live CEOing Ep 998: Design Review of Mathematical Computation continued Physics Project Working Session | October 13, 2026 Live CEOing Ep 997: Design Review of Machine Learning Physics Project Working Session | October 13, 2026 Live CEOing Ep 996: Design Review of System Modeling & Design Physics Project Working Session | October 13, 2026 Live CEOing Ep 995: Design Review of Geo and Astro Physics Project Working Session | October 8, 2026 Live CEOing Ep 994: Design Review of PDE Functionality Physics Project Working Session | October 8, 2026 Live CEOing Ep 993: Design Review of Connectivity Physics Project Working Session | October 7, 2026 Live CEOing Ep 992: Design Review of Mathematical Computation Physics Project Working Session | October 5, 2026 Future of Science and Technology Q&A (October 2, 2026) Physics Project Working Session | October 2, 2026 What's the Future for Pure Math Research in the Age of AI? Writing | September 28, 2026 History of Science and Technology Q&A (September 23, 2026) Physics Project Working Session | September 23, 2026
What's the Future for Pure Math Research in the Age of AI? Writing | September 28, 2026 In Memory of My Wife, Elise Cawley (1961–2026), with Thanks for 36 Wonderful Years Writing | August 4, 2026 Towards a Theory of Bugs: The Ruliology of the Unexpected Writing | July 21, 2026 Launching Version 15 of Wolfram Language & Mathematica: Built-in (Useful) AI & Lots of New Core Functionality Writing | June 16, 2026 Games between Programs: The Ruliology of Competition Writing | June 4, 2026 Making Wolfram Tech Available as a Foundation Tool for LLM Systems Writing | February 23, 2026 What Ultimately Is There? Metaphysics and the Ruliad Writing | February 4, 2026 P vs. NP and the Difficulty of Computation: A Ruliological Approach Writing | January 30, 2026 What Is Ruliology? Writing | January 12, 2026 Instant Supercompute: Launching Wolfram Compute Services Writing | December 2, 2025
Live CEOing Ep 998: Design Review of Mathematical Computation continued Physics Project Working Session | October 13, 2026 Live CEOing Ep 997: Design Review of Machine Learning Physics Project Working Session | October 13, 2026 Live CEOing Ep 996: Design Review of System Modeling & Design Physics Project Working Session | October 13, 2026 Live CEOing Ep 995: Design Review of Geo and Astro Physics Project Working Session | October 8, 2026 Live CEOing Ep 994: Design Review of PDE Functionality Physics Project Working Session | October 8, 2026 Live CEOing Ep 993: Design Review of Connectivity Physics Project Working Session | October 7, 2026 Live CEOing Ep 992: Design Review of Mathematical Computation Physics Project Working Session | October 5, 2026 Future of Science and Technology Q&A (October 2, 2026) Physics Project Working Session | October 2, 2026 History of Science and Technology Q&A (September 23, 2026) Physics Project Working Session | September 23, 2026 Personal Update & AMA [September 18, 2026] Physics Project Working Session | September 18, 2026
Towards a Theory of Bugs: The Ruliology of the Unexpected NKS | July 21, 2026 P vs. NP and the Difficulty of Computation: A Ruliological Approach NKS | January 30, 2026 What Is Ruliology? NKS | January 12, 2026 What's Special about Life? Bulk Orchestration and the Rulial Ensemble in Biology and Beyond NKS | November 11, 2025 The Ruliology of Lambdas NKS | September 15, 2025 What Can We Learn about Engineering and Innovation from Half a Century of the Game of Life Cellular Automaton? NKS | March 18, 2025 Towards a Computational Formalization for Foundations of Medicine NKS | February 3, 2025 Foundations of Biological Evolution: More Results & More Surprises NKS | December 5, 2024 Nestedly Recursive Functions NKS | September 27, 2024 What's Really Going On in Machine Learning? Some Minimal Models NKS | August 22, 2024
Live CEOing Ep 998: Design Review of Mathematical Computation continued Physics Project Working Session | October 13, 2026 Live CEOing Ep 997: Design Review of Machine Learning Physics Project Working Session | October 13, 2026 Live CEOing Ep 996: Design Review of System Modeling & Design Physics Project Working Session | October 13, 2026 Live CEOing Ep 995: Design Review of Geo and Astro Physics Project Working Session | October 8, 2026 Live CEOing Ep 994: Design Review of PDE Functionality Physics Project Working Session | October 8, 2026 Live CEOing Ep 993: Design Review of Connectivity Physics Project Working Session | October 7, 2026 Live CEOing Ep 992: Design Review of Mathematical Computation Physics Project Working Session | October 5, 2026 Future of Science and Technology Q&A (October 2, 2026) Physics Project Working Session | October 2, 2026 History of Science and Technology Q&A (September 23, 2026) Physics Project Working Session | September 23, 2026 Personal Update & AMA [September 18, 2026] Physics Project Working Session | September 18, 2026
Towards a Theory of Bugs: The Ruliology of the Unexpected Ruliology | July 21, 2026 Games between Programs: The Ruliology of Competition Ruliology | June 4, 2026 P vs. NP and the Difficulty of Computation: A Ruliological Approach Ruliology | January 30, 2026 What Is Ruliology? Ruliology | January 12, 2026 What's Special about Life? Bulk Orchestration and the Rulial Ensemble in Biology and Beyond Ruliology | November 11, 2025 The Ruliology of Lambdas Ruliology | September 15, 2025 What Can We Learn about Engineering and Innovation from Half a Century of the Game of Life Cellular Automaton? Ruliology | March 18, 2025 Who Can Understand the Proof? A Window on Formalized Mathematics Ruliology | January 9, 2025 Foundations of Biological Evolution: More Results & More Surprises Ruliology | December 5, 2024 Nestedly Recursive Functions Ruliology | September 27, 2024