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The Daily Triptych138 / 365

18 MAY 2026

Day 138

Men are disturbed not by things, but by the views which they take of things.

Epictetus · Enchiridion
A crowded scene of men in suits and fancy clothes. A central figure, a portly man in a top hat holds a small bag of coins. The background shows a shipwreck with people drowning, symbolizing the economic crisis.

I · THE OBJECT · BRITISH MUSEUM

Emblematical Print on the South Sea Scheme

William Hogarth · 1721

A satirical print from 1721 skewers a speculative bubble that sent England into chaos — and set an artistic precedent.

Enter lesson 6 MIN

II · THE IDEA · ARTIFICIAL INTELLIGENCE

Gradient Checkpointing for Memory-Efficient Training

efficiency · Chen et al. 2016; Pleiss et al. 2017 · extra forward compute for less activation storage

During training, networks keep almost every intermediate activation so gradients can flow backwards. Checkpointing discards most of them on purpose, then rebuilds only what the backward pass needs.

Enter lesson 6 MIN

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

A woman in red and blue robes holds an infant, standing on cloud. Two figures in papal and monastic dress flank her. Below, two small winged children rest their chins on a ledge, looking outward.

III · THE WORK · ART HISTORY

Sistine Madonna

Raphael · 1512 · Oil on canvas

Raphael painted the Virgin standing on cloud, her bare feet level with your eyes. Below her, two cherubs rest their chins on the picture frame and stare outward.

Enter lesson 6 MIN

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