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Tiny explainers
for your question.

Ask anything. Nib starts drawing in seconds and talks you through it in a minute or two. Lost at a step? Ask back, and he draws that part.

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How it works

AskType a question, or add your notes. Nib starts drawing within seconds.
WatchA tiny whiteboard explainer, drawn and told out loud. Want the whole topic? He makes it a series.
Ask backLost at a step? Pause and ask. He keeps the thread and draws the answer.

Watched tonight

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All series

Why the world works

The everyday puzzles behind physics, astronomy and the living world, drawn so you can turn the knobs yourself.

  • Why is summer warm?
  • Why is the sky blue, and sunsets red?

How machines learn

What a language model actually does with your words, from tokens up to transformers: drawn, and runnable in the page.

  • Why can’t AI count the r’s in “strawberry”?

Algorithms, drawn

Data structures and algorithms, from binary search upward: every idea drawn, every piece of code runnable a step at a time.

  • How can 20 guesses find one number in a million?
  • What is dynamic programming, really?