Every idea in this atlas arrives with the people who fought for it. Hindu-Arabic Numerals: How India's Numbers Reached Europe did not appear fully formed — it was argued over, abandoned, and rediscovered across the Baghdad to Samarkand (800 CE - 1430 CE).
INTERACTIVE LESSON
The cinematic story and the hands-on exercises for this topic are being written. They'll appear here — playable on their own page — the moment this lesson is authored.