The Baghdad Battery is believed to be about 2000 years old (from the Parthian period, roughly 250 BCE to CE 250). The jar was found in Khujut Rabu just outside Baghdad and is composed of a clay jar ...

This led to the first compass, called a sinan (south-pointing ladle) during the Warring States Period ... China's four great ancient inventions made tremendous contributions to the world's ...

Find out about clothing and textiles in the ancient Maya civilisation. What did the Maya invent? Find out about Maya inventions and innovations including: roads, calendars and tools. What did the ...