Bronze Age began around 2000 B.C, Shang and Zhou dynasties. Bronze, an alloy of copper and tin, were used to fashion weapons, parts of chariots and ritual vessels. Chinese bronzes are central to Chinese civilization. The ability to manipulate metal…
The compass was invented more than 2000 years ago. The Ancient Chinese compass was made from iron oxide, a mineral ore. Iron oxide is also known as lodestone and magneta.