Fortune Telling Collection - Free divination - According to the records of ancient mines, it first appeared in Cishan, Hebei Province, and was used to identify the direction in ancient China.
According to the records of ancient mines, it first appeared in Cishan, Hebei Province, and was used to identify the direction in ancient China.
Compass, called Sina in ancient times, is mainly composed of magnetic needles installed on the shaft. Under the action of natural geomagnetic field, the magnetic needle can rotate freely and keep in the tangential direction of magnetic meridian. The south pole of the magnetic needle points to the geographical south pole (magnetic north pole), and the direction can be distinguished by using this property.
Compass is the result of China ancient working people's understanding of magnet magnetism in long-term practice. As one of four great inventions of ancient china, its invention has played an inestimable role in the development of human science, technology and civilization. In ancient China, the compass was first used for rituals, etiquette, military affairs and divination, and to determine the orientation when looking at geomantic omen.
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