Throughout the long history of mankind, there have been many great inventions that have had a profound impact on social progress. Among them, the compass is undoubtedly one of the most well-known. Today, we will explore the origin and evolution of the compass together.

Firstly, the origin of the compass. According to historical records, the prototype of the compass, known as the Sinan, first appeared in China during the Warring States period (475 BC - 221 BC). The Sinan was an instrument that used magnetic principles to determine direction, marking the beginning of human mastery of magnetic knowledge and its application to practical life. This great invention had a profound impact on navigation, military, geographical exploration, and other fields.

Secondly, the evolution of the compass. Over time, the design and production of the compass have undergone continuous improvement and development. During the Song Dynasty, the Chinese invented a more precise magnetic needle compass, which used magnetized iron needles as indicators, greatly improving the accuracy of direction. By the Ming Dynasty, the compass had become an indispensable tool for sea navigation. At the same time, the compass gradually spread to all parts of the world, becoming a technological achievement shared by all humanity.

In conclusion, the compass is a crystallization of the wisdom of ancient Chinese people and an important symbol of the progress of human civilization. From the Sinan of the Warring States period to the modern precision compass, this great invention has been driving the development of human society. It has not only changed our way of life but also broadened our horizons. Let us take the compass as an example, continue to explore, innovate, and forge ahead courageously.

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