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Observatory

A place to think in public.

Not a blog. A slow-moving archive of essays, ideas, research notes, predictions, build logs, and book notes.

  • Essays

    Building Before University

    On starting companies before you know what you’re doing, and why the not-knowing is the point.

    Jan 14, 2026·7 min read
  • Ideas

    Why AI Won’t Replace Great Traders

    Markets aren’t a prediction problem. They’re a judgement problem under uncertainty. Judgement is very hard to automate.

    Dec 2, 2025·9 min read
  • Research Notes

    Sacred Equations

    A short note on the equations physicists treat like relics — and what they teach a builder about compression.

    Oct 21, 2025·6 min read
  • Predictions

    Can AI Discover Physics?

    The optimistic case for discovery, the pessimistic case for taste, and a middle path I find more interesting than either.

    Sep 4, 2025·11 min read
  • Book Notes

    Notes on Deep Work

    A short set of notes from re-reading Cal Newport’s Deep Work in the middle of building a company.

    Jul 18, 2025·4 min read
  • Build Logs

    The Quiet Log

    A weekly log of small progress on Diver AI. Unpolished on purpose.

    May 30, 2025·5 min read

The future isn’t something we predict.
It’s something we build.

MANUKA© 2026 Manuka Kodithuwakku. All rights reserved.
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