I write to explain things simply — ML, systems, and the occasional deep dive into something I had to debug for too long.
How hand landmarks + a KNN classifier learn new gestures in seconds — all in the browser, no training loop, no server.
A progress report from the memory bus up — why the CPU comes last, and the case for learning in public.
A four-stage defense pipeline for prompt injection — 217 rules, a fine-tuned classifier, and what 23 test prompts actually proved.