Emperor Qin Shi Huang of the Qin dynasty was the first emperor of ancient China and ruled from 221 B.C. to 210 B.C. He's most ...

Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...

You’ve made a compass. The first compasses were used in China as early as 200 B.C., derived from the tools of fortune-tellers who divined the future using a spoon made of a magnetic iron ore ...

THE traditional view that Christopher Columbus discovered magnetic declination on his first voyage to the West Indies in 1492 was put forward with great force by Bertelli 1 towards the end of the ...

A WRITER in the North China Herald of Shanghai devotes a learned article to detailing and discussing the facts regarding the claim of the Chinese to have invented the mariner's compass.