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The Daily Triptych225 / 365

13 AUG 2026

Day 225

Attention is the rarest and purest form of generosity.

Simone Weil · Letter to Joë Bousquet
A portrait drawing in black, red and white chalk on brown paper, showing a woman with dark eyes, a high lace collar, and hair pulled back from her face.

I · THE OBJECT · BRITISH MUSEUM

Isabella Brant

Peter Paul Rubens · 1621 · Paper, black and red chalk, white heightening

Rubens drew his wife Isabella in 1621, and the sheet became a template for three oil paintings by two artists — then hid a second portrait on its reverse for three centuries.

Enter lesson 6 MIN

II · THE IDEA · ARTIFICIAL INTELLIGENCE

KV Cache Compression for Long Context

inference systems · Mistral 7B report, arXiv 2310.06825 · Attention and the key-value cache

Attention remembers every token it has already read. That memory is stored, not recomputed, and it grows with every word — until the cache, not the model, sets your limit.

Enter lesson 6 MIN

Written before source checking was enforced · facts in this lesson are unverified

A dark interior. A group of adults and children press close around a large brass mechanical model of the solar system, its globes held out on metal arms. Light comes from within the model itself, catching the underside of faces and hands while the room beyond dissolves into brown shadow. An older man leans over the mechanism, mid-explanation.

III · THE WORK · ART HISTORY

A Journalist Lecturing on the Orrery

Joseph Wright of Derby · 1766 · Oil on canvas

A brass model of the heavens, a lamp hidden inside it standing in for the sun, and a ring of faces lit by nothing else. Wright made astronomy look like revelation.

Enter lesson 6 MIN

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