Preface
The Announcement:
Finally We May Have a Path to the Fundamental Theory of Physics... and It's Beautiful
I Never Expected This · How It Works · All Possible Rules · What Is Space? · The Dimensionality of Space · Curvature in Space & Einstein's Equations · Time · The Graph of Causal Relationships · The Importance of Causal Invariance · Deriving Special Relativity · What Is Energy? What Is Mass? · General Relativity and Gravity · Black Holes, Singularities, etc. · Cosmology · Elementary Particles--Old and New · The Inevitability of Quantum Mechanics · General Relativity and Quantum Mechanics Are the Same Idea! · Branchial Motion and the Entanglement Horizon · Finding the Ultimate Rule · Why This Universe? The Relativity of Rules · The Challenge of Language Design for the Universe · Let's Go Find the Fundamental Theory!
Technical Introduction:
A Class of Models with the Potential to Represent Fundamental Physics
Introduction · Basic Form of Models · Typical Behaviors · Limiting Behavior and Emergent Geometry · The Updating Process for String Substitution Systems · The Updating Process in Our Models · Equivalence and Computation in Our Models · Potential Relation to Physics · Notes & Further References
History:
How We Got Here: The Backstory of the Wolfram Physics Project
"Someday..." · Why Wasn't This Already Figured Out? · The Beginning of the Story · "You Can't Leave Physics" · Maybe It Could Apply to Physics · "Please Don't Do That Project" · Two Young Physicists and a Little Idea · Oh My Gosh, It's Actually Going to Work! · What Terrible Timing! · What Happens Now
Background:
A New Kind of Science: a 15-Year View (2017)
What Is Spacetime, Really? (2015)
The Foundations:
Fundamental Physics, from A New Kind of Science (2002)
Historical & Technical Notes
Index