What's the difference between Li Sheng Polaris and compass?

1, with different scope of action. At first, the compass was used for etiquette, military affairs and divination, and was used to determine the orientation when watching Feng Shui. Compass is a tool to indicate the direction, which is widely used in various directions, such as navigation, field exploration, urban road map reading and so on.

2. The indication position is different. The main part of the compass is the magnetic needle installed on the rotating shaft. Under the action of natural geomagnetic field, the magnetic needle can rotate freely and keep in the tangent direction of magnetic meridian, and the south pole of the magnetic needle points to the geographical south pole; The north pole of the compass needle points to the geographical north pole, and the indicating direction can be distinguished by using this property.