Unintended Breakthroughs: How Accidents Shaped the Iron Age

TL;DR
Research from Cranfield University reanalyzes a 3,000-year-old site in Georgia, revealing that ancient copper smelters experimented with iron oxides as a flux, providing evidence that the invention of iron metallurgy was driven by copper workers' experimentation, which was a crucial step towards the development of iron smelting and the Iron Age.
The accidental discovery that forged the Iron Age ScienceDaily
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