Does the compass have a magnet?

Yes The pointer at the top of the compass is a magnet called a magnetic needle. The main component of the compass is the magnetic needle, which can rotate freely under the action of natural geomagnetic field and keep in the tangent direction of magnetic meridian. The compass uses the characteristics that magnets can refer to the north and south.

Compasses are often used in navigation, geodesy, travel and military affairs. Compass was first used for sacrifice, etiquette, military affairs, divination and orientation determination.

The invention of the compass with physical direction indication has three parts, namely Sina, compass and magnetic needle. According to ancient mine records, the compass first appeared in the Cishan area during the Warring States Period.

Compass is the result of China ancient working people's understanding of magnet magnetism in long-term practice. The invention of compass plays an important role in the development of human science and technology and civilization.