The use of gunpowder started in Europe during the late 13th century. It was Roger Bacon, who introduced gunpowder and in 1353 the first gunpowder cannon was invented by Berthold Schwarz.
Kids should be able to use them when they are more careful with what they are doing. I think I started to use them between third and fourth grade.
steam turbine cold start up list:
you blow air into it to start the blades moving and then you give fuel to the engines and it starts up
Both methods are using in HVAC Ducting work mostly about 99% that smacna is using in that same.
The resistance in the start winding is greater because it is longer and thinner and has the greatest resistance to current flow
Polo brought back gunpowder to Europe and soon people were using the Silk Road to bring back goods including gunpowder.
Gunpowder was invented by the Ancient Chinese. Gunpowder came to Europe in the 1260s.
Gunpowder reached Europe through the rich Silk Road trade. The chemical formula for gunpowder and the refinement process reached Europe in completed form by the late 13th century. Roger Bacon, a renowned early European alchemist (1214 - 1292), set forth the marvels of the world; among them he listed the ingredients of gunpowder. With the ingredients of gunpowder revealed European scientists, inventors and alchemists were ready to improve gunpowder.
chinese alone
Actually, no. If my memory serves, the Mongolians were first to use gunpowder weaponry. The Europeans adopted this adaptation from them because of the Mongolians spanned an empire from East Asia to Eastern Europe. But I'm sure the Mongolians were the first to use gunpowder.
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Gunpowder was invented by the Chinese and came to Europe by the 1200's. So, it was used well before the Renaissance.
Gunpowder is the first explosive substance mankind learned to use and was one of the four great inventions of ancient China. The Chinese used gunpowder as early as 800-1000 AD, for fireworks and later for weapons. It was not in widespread use in Europe until around the 1300s. Gunpowder reached Europe through the Silk Road trade.
He didn't . He made the printing press in Germany in 1436 and gunpowder was introduced to Europe in the 1200's when Polo brought it back from China. Guttenburg had nothing to do with gunpowder.
Gunpowder, it was found in Asia by explorers from europe around in the 1500's
Gunpowder was invented by the Chinese and came to Europe by the 1200's. So, it was used well before the Renaissance.
no, cannons and gunpowder only appeared in Europe in the 1300s.