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The Daily Triptych199 / 365

18 JUL 2026

Day 199

Education is not preparation for life; education is life itself.

John Dewey · Democracy and Education
Silver jewellery, cut silver fragments and coins from a hoard, arranged as a mixed early-tenth-century deposit rather than a single matching set.

I · THE OBJECT · BRITISH MUSEUM

Bossall-Flaxton hoard

Viking-period Britain · Early 10th century AD · Silver; lead

Silver jewellery, hacksilver and some two hundred and seventy coins, buried in the early tenth century between two North Yorkshire villages and later split between two museums.

Enter lesson 5 MIN

II · THE IDEA · ARTIFICIAL INTELLIGENCE

Data Valuation with Shapley Values

data · data valuation · Shapley values

Shapley values from game theory can score every training example by how much it moves performance when added to every possible subset of the rest of the data.

Enter lesson 7 MIN
Full-length portrait of a youth standing in blue clothing against a darker, loosely indicated ground, painted in oil on a tall rectangular canvas.

III · THE WORK · ART HISTORY

The Blue Boy

Thomas Gainsborough · 1770 · Oil on canvas

A boy in blue, nearly life-size, painted in oil in 1770. The canvas is famous; the person standing in it has never been settled beyond argument.

Enter lesson 6 MIN