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Tempered steel was a thing 2,900 years ago

Staff Writer | March 02, 2023 | 6:14 am Education Suppliers & Equipment Europe Iron Ore 

An international team of researchers has proven that steel tools were already used in Europe around 2,900 years ago. Using geochemical analyses, the scientists were able to prove that stone stelae on the Iberian peninsula that date back to the...

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