Around 5,000 years ago, people in what is now Iran began turning dull stone into shining metal. By heating copper ore until it melted, they learned to pull liquid metal from rock, a skill that helped ...
Around 5,000 years ago, people living in what is now Iran began extracting copper from rock by processingore, an activity known as smelting. This monumental shift gave them a powerful new technology ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback