Science, Technology and the Physics Underneath
Gravity Lab runs N-body gravity in the browser: the solar system, binary stars, the three-body figure-eight and a 600-body galaxy, with Newton’s constant on a…
Kinetic Shapes runs 18 bouncing-ball arenas in the browser. The coefficient of restitution, rotating containers and chaotic billiards, explained with the sandbox.
A systematic review and meta-analysis of 24 studies that tested chrome-free and chrome-tanned leather side by side. Chrome-free leather was less heat-stable in every paired…
DeepSeek’s Oct 17 V4.1-Flash-1017 update keeps MIT weights and an 890-byte KV cache per token while lifting agentic benchmark scores. Specs and run notes.
A Rebel Life is the memoir I wrote in 2007: dated chapters across four days after my brother’s death, and an argument about class and…
A browser Mandelbrot explorer with deep zoom and palettes, plus the history, the escape-time algorithm, the dimension-2 boundary and the open MLC conjecture.
A per-turn re-analysis of SYCON-Bench: how often 11 language models keep a stance each time a user pushes back. On average factual corrections lasted longer…
Hole City is a free two-minute browser game where a growing hole eats a city. How Donut County and Hole.io built the genre, and what…
An open-data audit of 6,011 US packaged foods with “protein” in the name. The name is an honest signal of protein, but the protein comes…
A free PDF editor that runs entirely in the browser: merge, split, rotate, watermark, sign, fill forms, OCR scans and compress, with no upload and…