This is the conclusion of a new study which overturns a decades-old hypothesis about the harms of ancient smelting practices ... studied the skeletons of 36 Iron Age individuals who had lived ...
The new method takes three to six seconds while blast furnace smelting takes five to six hours. It also doesn't require costly high-yield iron ores that China currently imports from countries like ...
A model of a wind-powered furnace newly set up in the Martin Wickramasinghe museum in Koggala brings to life an ancient iron smelting industry. By Renuka Sadanandan, Pix by M.A. Pushpa Kumara ...
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