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Notes on remembering things

Two things only: what the research actually says about learning, and what we keep discovering while building this. No SEO filler — if we have nothing worth saying, we don't post.

Latest2 September 2026 · 6 min read

Why re-reading feels productive and mostly isn't

Fluency is not memory. The reason highlighting a chapter feels like learning — and the cheap swap that actually works.

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Learning science19 August 2026 · 8 min

The spacing effect, in plain English

A hundred and forty years of research says the same thing: study it, forget a bit, study it again. Here's how far apart the gaps should be.

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Field notes5 August 2026 · 7 min

What 400-page PDFs taught us about chunking

Our first curriculum generator split by page count. It was terrible. Here is what we do now, and the three failure modes we hit on the way.

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