The earliest compass, dating back to China's Han dynasty, was a spoon-shaped apparatus made of magnetite. These compasses were likely a divination tool rather than a navigation aide. More »

A compass is a navigational tool that marks direction according to the earth's rotation cycle or its magnetic field. Compasses can be used for plotting and tracking journeys of predetermined direction on land or at sea. More »

A compass works by utilizing the Earth's magnetism in order to find directions. Its invention enabled people to perform navigation over long distances, opening up the sea for exploration. The earliest compasses have been... More »

The main religion of the Han dynasty was Taoism. The Han dynasty also embraced the philosophical ideas of Confucianism. Buddhism was brought to China during the Han dynasty. More »

Construction on The Great Wall of China was started in approximately 220 B.C. as a means to prevent barbarian nomads from invading the Chinese Empire. As it never effectively prevented invasions, the Great Wall came to s... More »

The Han Dynasty, which ruled China from 206 B.C. to 221 A.D., fell as a result of three major factors: political instability, economic hardship and external pressure from nomadic warlords. At the root of the dynasty's pr... More »

The type of government in ancient China was a monarchy that was often autocratic and despotic. It was ruled by emperors who were sovereigns of Imperial China and recognized by their subjects as the rulers of "All under h... More »