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 compass is a Chinese invention dating back to at least AD 1040. Zheng He is recorded as the first person to have used a compass as a navigational device. He traveled across the ocean at least seven times between 1405... More » History Inventions

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 » History Inventions

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 »

In 1498, the Chinese created the first toothbrush as it is known today with bristles and a thin handle.Toothbrushes were mentioned as far back as 3,000 BC. They were described as chew sticks that were made of twigs with ... More » History Inventions

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 »

A crude form of math was first invented by the Sumerians in the sixth century BC. Because the Sumerians had developed a settled, agricultural civilization, they needed math as a way to measure plots of land, tax individu... More »