It is not clear who invented the compass in history. China is regarded as the country that invented the compass in the world. The ancestor of the compass appeared in the Warring States period. It is made of natural magnets. It looks like a spoon with a round bottom, which can be balanced on a smooth "field" and can rotate freely. When it is at rest, the handle of the spoon will point to the south. The ancients called it "Sina",
At that time, there was a saying in the famous book Everything is Wrong: "Wang Lisner grabbed the sky first." "Seize the day" means to take it as soon as possible. Guiguzi recorded the application of Sina, and Zheng people took Sina with them when picking jade to make sure they didn't get lost.
The earliest legend is that when Xuanyuan Huangdi and Chiyou were fighting, Chiyou asked the mage to create a mass of fog, which made Xuanyuan Huangdi unable to distinguish between east and west, so he invented the compass and walked out of the fog. So some people say that Xuanyuan Huangdi invented it!
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