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IronAs with the earlier Bronze Age, the Iron Age, which began around 3000 BC with its discovery in the Middle East and Caucasus regions, presaged an evolution in humankind’s ability to function more...
IronHistorically, iron has been extracted from iron ore with a blast furnace, a process which super-heats ores to separate elements. The blast furnace has remained largely unchanged since early Chinese...
IronThe biggest limitation in modern iron ore extraction is the removal of impurities from the extracted metal. Since a metal can be damaged and rendered unsafe if it contains impurities, blast furnace...