History of science and technology in China

Ancient Chinese scientists and engineers made significant scientific innovations, findings and technological advances across various scientific disciplines including the natural sciences, engineering, medicine, military technology, mathematics, geology and astronomy. Among the earliest inventions were the binary code, and one of the earliest examples of genetic sequencing, abacus, the sundial, and the Kongming lantern. The Four Great Inventions,the compass, gunpowder, papermaking, and printing – were among the most important technological advances, only known to Europe by the end of the Middle Ages 1000 years later. The Tang dynasty (AD 618–906) in particular was a time of great innovation. A good deal of exchange occurred between Western and Chinese discoveries up to the Qing dynasty. The Jesuit China missions of the 16th and 17th centuries introduced Western science and astronomy, while undergoing its own scientific revolution, at the same time bringing Chinese knowledge of technology back to Europe. In the 19th and 20th centuries the introduction of Western technology was a major factor in the modernization of China. Much of the early Western work in the history of science in China was done by Joseph Needham and his Chinese partner, Lu Gwei-djen. The Warring States period began 2500 years ago at the time of the invention of the crossbow. Needham notes that the invention of the crossbow "far outstripped the progress in defensive armor", which made the wearing of armor useless to the princes and dukes of the states. At this time, there were also many nascent schools of thought in China—the Hundred Schools of Thought (諸子百家), scattered among many polities. The schools served as communities which advised the rulers of these states. Mo Di (墨翟 Mozi, 470 BCE–c. 391 BCE) introduced concepts useful to one of those rulers, such as defensive fortification. One of these concepts, fa (法 principle or method) was extended by the School of Names (名家 Ming jia, ming=name), which began a systematic exploration of logic.

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South-pointing chariot

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