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Evil test vectors

Evil test vectors

20 Feb 2026 3 min read

Person standing on stage holding a slide rule, as seen from the translators booth high above house right

Celestial Navigation at 39C3

04 Jan 2026 1 min read

Bronze disk with engravings for performing astronomical calculations. CC-BY-SA Codex

Reinventing the universal astrolabe

22 Dec 2025 1 min read

Plotter on a wall with a pen drawing boxes. Other art is in the background.

ptpx 2025

18 Dec 2025 3 min read

Thoughts on HO-249

Thoughts on HO-249

17 Dec 2025 3 min read

Person sitting on a square rigged mast with their legs stretching into the distance towards the horizons. Sails billow on the foremast ahead of them.

Restarting the blog

17 Dec 2025 2 min read

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