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History of iron and blacksmithing – from iron to steel

By |2018-04-07T17:04:34+00:00September 7th, 2017|Science, West Asia|

History of iron: a Greek black-figure vase showing a blacksmith at work (Athens, about 550 BC) Why do people use iron? The history of iron doesn't start until much later than bronze. Iron is harder to form into metal than copper or bronze, because it needs a much hotter fire and a more complicated process. But if [...]

What is a bellows? Who invented the bellows?

By |2018-12-12T11:45:27+00:00September 7th, 2017|History|

(Tomb of Rekhmire, Egypt, ca. 1450 BC) Who invented the first bellows? About 14,000 BC, potters in China started to use kilns to fire clay pots. By about 3500 BC, people in West Asia were beginning to use furnaces to smelt metal - to burn copper and tin ore and melt it to get the copper and tin out, and mix them to make bronze. [...]

Science in ancient and medieval China

By |2018-05-28T00:10:52+00:00June 7th, 2017|China, Science|

Chinese science: a double-action piston box bellows (China) What are some Chinese inventions? Chinese scientists started inventing a lot of new things around 500 BC, during the Warring States period. That might be because of the formation of the first empires and the rise of the Silk Road. (More about the Silk Road) [...]