history

4 articles

Eratosthenes: how to measure a planet with a stick, a shadow, and audacity

2026-02-15

Dazzle Camouflage: When Seeing You Doesn’t Mean Hitting You

2026-02-15

Khipu: The Inca data structure made of string, not paper

2026-02-14

The Antikythera Mechanism: a 2,000-year-old bug report from the cosmos

2026-02-14