A weekday read · AI & engineering

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FrontierThe latest AI research, explained simply.

FoundationsHow the core things really work.

Origin storiesHow the systems we rely on got built.

How it worksClever system design, demystified.

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Foundations

How Large Language Models Actually Work

They are guessing machines trained on almost the whole internet. Here is what that really means, and why it can produce something that feels like thought.

6 min read Origin

How DARPA Designed the Internet

The internet has no headquarters and no off switch. That was the plan from the very first sketches.

5 min read Frontier

Why Mixture-of-Experts Models Are Mostly Asleep

Some of the biggest AI models cost no more to run than far smaller ones. The secret is that most of the model naps.

3 min read

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