Mystery owning advanced technology of an ancient civilization

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www.vsyako.netPhoto: E. Ben-Yosef / The Central Timna Valley Project

Scientists at tel Aviv University in Israel, came to the conclusion that the ancient Kingdom of Edom, which existed three thousand years ago, has experienced a technological leap and became a prosperous state even before the coming of Israelis. Reported Plos One.

The researchers analyzed the wastes of the ancient smelters to reconstruct the history of industrial and cultural development of Edom. The Kingdom was in the valley of Wadi El-Arab, which is now located on the territory of Israel and Jordan. This area is known for the fact that, since 4000 BC, it became the center of intense mining and smelting of copper. Local tribes United in a political body to make the best use of available resources.

In slags were found traces of charcoal, which was used to heat the steel plants. Using radiocarbon Dating, the researchers calculated the age of the waste. In addition, the metal content of the slag was identified as the technology was improved copper extraction over time.

It turned out that 1300 800 year BC, the Edomites gradually improved the technique of production. For 500 years the copper content in the slag was falling from 1.49 to 1.14 percent. However, in the second half of the 10th century BC there was a sharp improvement in the smelting of copper, bringing the metal content of the waste fell to half a percent. The composition of the slag was similar at different sites, indicating that overall control of smelting.

This technological leap coincides with the military campaign of the Egyptian Pharaoh Shoshenq I, which is mentioned in the Bible. This King of Egypt was the founder of the 22nd dynasty and organized military campaigns in Judah and Israel in 925 BC. His invasion of ed changed the demand for copper, which forced the Edomites, who retained control of the mines, to introduce new technologies. Changes can include production at different temperatures, changing the ratio of the added minerals or oxygen into the furnace.

Video, photo All from Russia.

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