28 Responses to The Real Origin of Viking Raids. 1  Well done! 2  Thank you for this article. 3  The shutting of the ancient trade routes to Rome and the East by the Holy Roman Empire was the principle reason that the Rus trade routes down the Volga were established. 4  Pingback: Daily Stuff 5-20-13 MjÃ¶lnir | Ancient Light's Daily Stuff.
By Anne Marie Helmenstine, Ph.D. Gunpowder or black powder is of great historical importance in chemistry. Although it can explode, its principal use is as a propellant. Gunpowder was invented by Chinese alchemists in the 9th century.Originally, it was made by mixing elemental sulfur, charcoal, and saltpeter (potassium nitrate).y Anne Marie Helmenstine, Ph.D. Gunpowder or black powder is of great historical importance in chemistry. Although it can explode, its principal use is as a propellant. Gunpowder was invented by Chinese alchemists in the 9th century.
Over the years machine guns came into existence. The man who invented the first machine gun was an English, named James Puckle. He was a lawyer and a writer from London, who invented the 'Defence Gun' popularly known as 'Puckle Gun'.This machine gun was a multi-shot gun mounted on a stand and was able to fire nine rounds per minute. It was controlled by a hand crank.ut it is believed that, around the year 500 AD, the Chinese were the ones who invented the first gun ever. It acted for ejecting a projectile by using gun powder. This wittingly happened to be the first gun invented in the history of inventions.