The secrets of the metals
Unlock the Mysteries of Metals
copper Historically, copper was the first element known to man. The Chalcolithic period or the Copper Age saw man progress from using stones as weapons to replacing them with copper...
Unlock the Mysteries of Metals
copper Historically, copper was the first element known to man. The Chalcolithic period or the Copper Age saw man progress from using stones as weapons to replacing them with copper...