Things I've built. Each one has its own personality.
2026 →
Good cheap plates, mapped.
A map of meals for £12 or less across nine UK cities. Every price links back to a menu or a real person's report, so you know it's true. The best cheap plate is usually the one people queue for, and Yumma helps you find the queue.
2004 → now
Become an electric expert.
A free site that teaches children how electricity works. Kids work through six tutorials, test themselves with a quiz, then build their own circuits with batteries, bulbs, switches, buzzers and motors. They earn badges as they go. Over 3 million learners have used it since 2004.
Now on its fourth version:
2001 → now · my domain for 25+ years
This site, simple HTML and CSS, hosted on a CDN, deployed from Git.