DefenceTalkThe first explosives were crude clay containers containing black powder, with some form of rudimentary ignition mechanism, like that of a burning match. Black powder is a chemical mixture made up of potassium nitrate a.k.a saltpeter, sulfur, and charcoal. Potassium nitrate is the main component of the powder and can take up as much as […]https://www.defencetalk.com/boom-the-evolution-of-explosives-63754/