The Accidental Invention of Gunpowder
An elixir for immortality? Nope, instead a deadly explosive was invented. The mid-9th century Tang Dynasty text that first noted the result of the gunpowder meeting a spark described it as such: "Some have heated together sulfur, realgar and saltpeter with honey; smoke and flames result, so that their hands and faces have been burnt, and even the whole house where they were working burned down."
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Key Facts In This Video
Saltpeter, sulfur and charcoal are the ingredients of gunpowder. (0:11)
Hear how a Tang Dynasty text from around 850 A.D. described the result of mixing gunpowder with fire: (0:25)
The explosiveness of gunpowder occurs when it is enclosed. (2:36)