This ancient marvel rivaled Rome’s intricate network of roads This ancient marvel rivaled Rome’s intricate network of roads China’s beloved drunken poet died centuries ago—or did he?

China's four great ancient inventions made tremendous contributions to the world's economy and the culture of mankind. They were also important symbols of China's role as a great world civilization.

Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...