Turning rock into metal is one of the oldest crafts in human history. Watch the process of smelting iron ore and forging a primitive bloom into workable iron.

This is the moment the series leaves the Bronze Age behind. He explains why iron replaced bronze—iron ore is everywhere while tin trade can collapse—then traces where iron ore deposits came from (the ...

Early Copper EXPERIMENTS in smelting copper from ores have been carried out by H. H. Coghlan with the view of throwing light on the supposed accidental discovery of copper smelting by primitive man ...