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The Daily Triptych008 / 365

8 JAN 2026

Day 8

The heart has its reasons, which reason does not know.

Blaise Pascal · Pensées
A long, narrow bronze sheet with three large circular decorations arranged vertically, each filled with raised spirals and smaller roundels, the metal surface dark with age and patina.

I · THE OBJECT · BRITISH MUSEUM

The Battersea Shield

Ancient Celts · 5th century BC or 350 BC · Bronze

Hammered bronze over vanished wood, decorated with circles and curves — and thrown into the Thames, not lost in battle but placed there on purpose.

Enter lesson 6 MIN

II · THE IDEA · ARTIFICIAL INTELLIGENCE

Parameters, Weights, Layers, Activations

Foundations · Single feedforward network · PyTorch and standard literature

Parameters are numbers the model learns. Weights are parameters that multiply inputs. Layers are groups of operations. Activations are numbers flowing through. The words are not interchangeable.

Enter lesson 6 MIN

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

A rock wall covered in overlapping hand stencils in red, orange, and purple pigment, with the hands themselves appearing as unpainted negative space against the coloured background.

III · THE WORK · ART HISTORY

Cueva de las Manos

Tehuelche · 7300 BC–AD 700 · Mineral pigment on ignimbrite

Almost every hand is a left hand, not because the artists were left-handed but because they held the spraying tool in their right. A signature that is also evidence of technique.

Enter lesson 6 MIN

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