With Chinese characters, ten is ten-blank and eleven is ten-one (zero was left as a blank space: 405 is 'four blank five'), This was much ... the crisscrossing grid of latitude and longitude). His ...

A bronze Chinese cannon cast in 1332 is the oldest ... and thence to Europe. China's four great ancient inventions made tremendous contributions to the world's economy and the culture of mankind.

This essay looks at the great Eurasian Silk Roads as a transmitter of people, goods, ideas, beliefs and inventions. Good ideas travel easilyand far along trade routes, and the Silk Road was no ...