Why copper may be more important to the U.S. economy than oil
Copper is a critical material used to make many of the things consumers use every day — but it’s importance has taken on new ...
Forbes21d
Business Lessons From The Historical Importance Of Copper In Human Civilization
By 3500 B.C., they had mastered copper smelting, and by around 3000 B.C., they discovered that adding tin created bronze—a stronger alloy that would revolutionize civilization. The Romans used ...