Simon Willison’s Weblog

Blob Sallad - canvas tag and JavaScript physics simulation experiment. Björn Lindberg provides a detailed code walkthrough of his brilliant canvas demo, inspired by Loco Rocco.

Posted 26th January 2008 at 12:25 pm

Recent articles

Comma v0.1 1T and 2T - 7B LLMs trained on openly licensed text - 7th June 2025
The last six months in LLMs, illustrated by pelicans on bicycles - 6th June 2025
Tips on prompting ChatGPT for UK technology secretary Peter Kyle - 3rd June 2025

locorocco 1 javascript 711 canvas 38 opera 31 bjornlindberg 1 tutorial 18 physics 4

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe