All that is under the Sun
There is a lovely moment in Arthur C. Clarke’s fiction where a machine does something so far beyond expectation that the humans watching it stop asking how fast and start asking how. I had that moment in July 2026 when Moonshot AI shipped Kimi K3: a 2.8-trillion-parameter open-weight model, the largest ever released to the …
The Feynman Test for Not Fooling Yourself About Test-Set Accuracy “The first principle is that you must not fool yourself — and you are the easiest person to fool.” — Richard Feynman I keep Feynman’s line taped, metaphorically, to the inside of every model I train. Because here is the uncomfortable truth about that beautiful …
Let me start with a confession that should worry you slightly. The large language model at the heart of every “AI agent” you’ve read about is, on its own, utterly helpless. It cannot remember what it did five minutes ago, press a button, read a file, run a test, or check whether its own brilliant …
Picture a burglar at your front door. The old-school version tries every key on a giant ring — clink, clink, clink — until one turns. He’s loud, he’s slow, and your dog hears him coming. For about fifteen years, that was credential stuffing: dumb, noisy, automated, and easy to swat away with a rate limit …
Imagine you are standing in an infinitely large, perfectly flat room. I hand you a bucket of marbles and a simple set of rules: place marbles on the floor. Your goal is to arrange these marbles so that as many pairs as possible are exactly one meter apart from each other. If I give you …
In 1974, the legendary physicist Richard Feynman stood before the graduating class at Caltech and told them a story about the South Sea islanders. During World War II, these islanders had watched magnificent flying machines descend from the sky, bringing with them endless supplies of cargo. When the war ended and the planes stopped coming, …