Insights
Ideas worth thinking about.
Articles, research and notes on how things work, what I'm building and what I'm learning. New ones appear here as I write them.
A camera sensor is a grid of tiny buckets
Every photo starts as a count of photons. Here is how a sensor turns light into numbers, why it needs a trick to see colour, and why dark photos are noisy.
How a language model picks the next word
A language model writes one small piece of text at a time. Here is how it chooses each piece, how it learned to, and why that explains both its skill and its mistakes.
What "3 nm" really means
There is no 3 nanometre part inside a "3 nm" chip. The number is a label for a generation. Here is how that happened and what to compare instead.