Assertion: explosive gunpowder | /r/ObjectUse | used in modern times
Facets:
Source sentences:
text: Hasan al-Rammah, in The Book of Military Horsemanship and Ingenious War Devices, also described the earliest known recipes for an explosive gunpowder effect, some of which were almost identical to the ideal composition for explosive gunpowder used in modern times (75% saltpetre (KNO3), 10% sulfur, 15% carbon), such as the tayyar "rocket" (75 parts saltpetre, 8 sulfur, and 15 carbon, by weight) and the tayyar buruq "lightning rocket" (74 parts saltpetre, 10 sulfur, 15 carbon).
text: (The Book of Military Horsemanship and Ingenious War Devices), written in the 1270s, includes the first gunpowder recipes to approach the ideal composition for explosive gunpowder used in modern times (75% saltpetre (KNO 3 ), 10% sulfur, 15% carbon), such as the tayyar "rocket" (75 parts saltpetre, 8 sulfur, and 15 carbon, by weight) and the tayyar buruq "lightning rocket" (74 parts saltpetre, 10 sulfur, 15 carbon).