Free courses
Free short courses on AI, science, money and history
Read them here, no account needed. Each lesson takes a few minutes.
How LLMs actually work
What happens between pressing send and reading the reply.
How the internet actually works
Follow one web page from your screen to a server and back.
Why you remember and forget
How memories form and fade, and what that means for how you study.
Black holes, without the math
A place even light can't leave, and how we know it's really out there.
How money grows
Why time beats talent, and what you're actually buying when you invest.
How the Roman Republic fell
A century of broken rules, from the Gracchi to Augustus.
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