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CT scans reveal hidden details of ancient copper smelting in early Iran

Summary by Phys.org
About 5,000 years ago, people living in what is now Iran began extracting copper from rock by processing ore, an activity known as smelting. This monumental shift gave them a powerful new technology and may have marked the birth of metallurgy. Soon after, people in different parts of the world were using copper and bronzes (alloys of copper and tin, or copper and arsenic) to produce decorative objects, weapons, tools, and more.

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Phys.org broke the news in United Kingdom on Tuesday, November 18, 2025.
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