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Gunpowder was invented in 9th-century China and consists of a mixture of sulfur, charcoal, and potassium nitrate. It was originally used for medicinal purposes but began being used for warfare around 1000 AD. Gunpowder generates enough pressure behind a projectile to force it out of the gun barrel at high speed, making it useful as a propellant for firearms, artillery, rockets, and fireworks. Primers were later incorporated into cartridges containing the bullet, powder, and primer in a single package to sim

Author

chris pagulayan

Language

EN