I · THE OBJECT · BRITISH MUSEUM
The Ur-Nammu Law Code Tablet
Centuries before Hammurabi, scribes in Ur pressed legal rules into clay as 'if X, then Y' statements — turning social norms into portable, reproducible text.
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13 JAN 2026
Day 13
The owl of Minerva spreads its wings only with the falling of the dusk.
II · THE IDEA · ARTIFICIAL INTELLIGENCE
Residual Connections and Normalisation
Training a fifty-layer network was impossible until 2015. The problem was not computing power or data. The problem was that gradients vanished before they could teach anything.
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Written before source checking was enforced · facts in this lesson are unverified
III · THE WORK · ART HISTORY
Andrei Rublev's Trinity
Rublev painted the three angels who visited Abraham, but arranged them so that the geometry itself becomes theology — and the fourth place is left for you.
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