Four subjects · one method

Where would you
like to begin?

Each path starts at the foundations and runs to the research frontier. You can start anywhere — but the modules are ordered because the order is the argument.

What the universe is made of, and why

∂

Physics

Physics is the habit of refusing to accept any rule you cannot derive. Start from what you can measure, keep only what survives, and rebuild the world from there.

0%0/18 modules · 88 lectures

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The study of structure, stated exactly

∑

Mathematics

Mathematics is not the art of calculating. It is the art of making an idea so precise that disagreement becomes impossible — and then discovering what that precision forces to be true.

0%0/15 modules · 55 lectures

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How thinking was made mechanical

⌘

Computer Science

A computer is a rock we tricked into doing arithmetic by arranging it very carefully. Every layer above that — logic gates, instructions, languages, neural networks — is a story we tell to keep the complexity manageable. Learn the layers in the order they were built.

0%0/15 modules · 51 lectures

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Claims on the future, priced today

∫

Finance

Finance is the study of one question asked in a hundred forms: what is a claim on an uncertain future cash flow worth right now? Everything else — accounting, portfolios, derivatives, central banks — is machinery for answering it under different constraints.

0%0/14 modules · 46 lectures

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