Simon Willison’s Weblog

United Nuclear (via) Gotta love an online store that stocks both “Misc Radioactive Items” and “Anti-Radiation Pills”.

Posted 12th February 2007 at 8:25 am

Recent articles

Reverse engineering Codex CLI to get GPT-5-Codex-Mini to draw me a pelican - 9th November 2025
Video + notes on upgrading a Datasette plugin for the latest 1.0 alpha, with help from uv and OpenAI Codex CLI - 6th November 2025
Code research projects with async coding agents like Claude Code and Codex - 6th November 2025

radioactive 1 science 20

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