Gunpowder

850

Gunpowder

The book of science

Tom Sharp

Chinese, Tang Dynasty chemistry

Gunpowder

Devices

Mortality

State secrets

The recipe for gunpowder was a state secret, and trade in nitrous raw materials was restricted. The Mongols conquered to obtain it. Around 1376, the Korean Choe Mu-seon bribed a Chinese merchant to get the formula, and figured how to extract potassium nitrate from soils.

See also in The book of science:

Readings on wikipedia: