The magnetic compass was invented by the Chinese around the 4th century B.C., and was originally used as a figurative aid to help manage their daily lives. It was introduced to Europe in the 14th century, where it was im... More »

The first compasses were invented by the Chinese around the 4th century BC. The earliest compasses, however, were not used exclusively for navigation. They were used primarily as figurative symbols to help people find or... More »

Evidence suggests that the magnetic compass was invented in China between 221 and 206 B.C. The earliest compasses were not used for navigation, but for fortune-telling. Chinese compasses became navigational orienteering ... More »

www.reference.com History Inventions

The first compasses were invented by the Chinese around the 4th century BC. The earliest compasses, however, were not used exclusively for navigation. They were used primarily as figurative symbols to help people find or... More »

The discovery of silk production was made by the Chinese around 2700 B.C. Sericulture, the commercial production of silk from the silkworm (scientific name bombyx mori), remained an important Chinese commodity for centur... More »

Store-bought compasses have a lightweight and magnetized pointer fixed on a low-friction pivot; a small plastic cylinder filled with liquid seals the pointer. Settle the needle and rotate the compass card (the layer of p... More »

www.reference.com Science Physics Magnetism

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 »