Writing code on a laptop keyboard

Long form explainers that start with a question most people get wrong, then work through the physics until it makes sense.

Veritasium - Physics and Engineering, Explained

Linear algebra, calculus and neural networks taught through animation, aimed at building intuition before notation.

Complete recorded lecture series in computer science, physics and mathematics, matched to the published course notes.

Working mathematicians talking through problems, proofs and oddities on brown paper, one idea per video.

Compressed walkthroughs of frameworks, languages and developer tooling, usually in about a hundred seconds.

The reference most developers actually keep open: language guide, full API listings, and runnable examples for every built in object.

The official interactive guide to components, state, effects and hooks, written by the team that maintains the library.

Introductory material on the event loop, modules, streams and file access for running JavaScript outside the browser.

Course style guides on performance, accessibility, responsive layout and modern browser APIs, written by Chrome engineers.

A structured tour of types, generics, narrowing and module resolution for anyone moving from JavaScript to a typed codebase.

Millions of answered programming questions, ranked by community votes, covering every mainstream language and framework.

Millions of collaboratively written articles in more than three hundred languages, covering history, science, culture and biography.

Lecture notes, problem sets and exams from thousands of real MIT courses, published openly with no registration.