Education

Make explainer videos for any article on the fly

Scrimba plugged an LLM into its interactive video format and built HN.watch, which generates explainer videos for HN posts.

By Per Borgen (Scrimba) on Hacker News · Posted · Added Oct 16, 2026

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Engagement
226 HN points97 comments · fetched Oct 15, 2026

What they did

Per, founder of Scrimba, built Scrimba Explain and demoed it as HN.watch: Hacker News with explainer videos created the first time someone opens a post.

How it went

Live at hn.watch.

Worth knowing

Generated explainers can be wrong; link the original.

Builder recipe

Our own starting point, written from the source. Adapt it to your setup.

Stack

  • LLM
  • A scriptable video format

Steps

  1. Pick one concept to learn or teach.
  2. Have the agent build or explain it step by step.
  3. Test your understanding by changing parameters or asking why.
  4. Iterate.

Starter prompt

Read this article and write a 2-minute explainer script with 5 on-screen code or diagram moments.

Tags

Industry Education

Read the original

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