An Explosion Is a Chemical Reaction


Manufacture of Black Powder

In the modern process, charcoal and sulfur are placed in a hollow drum along with heavy steel balls. As the drum rotates, the steel balls pulverize the contents; this device is called a ball mill. The saltpeter is crushed separately by heavy steel rollers. Next, a mixture of several hundred pounds of saltpeter, charcoal, and sulfur is placed in a heavy iron device shaped like a cooking pan. There it is continuously turned by devices…

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Dynamite and Nitroglycerin

Getting “Smooth” Explosives in Firearms

Blasting Caps

Peaceful Uses of Explosives