diff × weyl

Symmetry factor of Feynman diagrams

How to escape a black hole: adventures in causal structure

Magnetic-core memory, Faraday’s Law and winding numbers

Programming languages summarized in one line

Quantum mechanics for everyone

Solving Newcomb’s paradox for classical and quantum predictors

Fundamentals of classical mechanics, or why F = ma

Physics textbooks for self-study

Notes on gravity as a gauge theory

Quantum mechanics explained