Scientists develop key-hole copper mining
Uses electricity to extract copper and other metals from ore Metal Tech News – May 7, 2021
Last updated 7/1/2022 at 10:55am
A team of international researchers have developed a new mining technique that will advance humans beyond the Bronze Age when it comes to extracting copper, gold, silver, and other conductive metals out of buried bodies of ore.
Since humans began using metals on an industrial scale some 5,500 years ago, we have depended on physically digging up the metal-bearing rocks from underground tunnels o...