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The Chinese name for firecrackers, baozhu, literally means "exploding bamboo". [203] After the invention of gunpowder, gunpowder firecrackers had a shape that resembled bamboo and produced a similar sound, so the name "exploding bamboo" was retained. [204] In traditional Chinese culture, firecrackers were used to scare off evil spirits. [204]
The four inventions do not necessarily summarize the achievements of science and technology in ancient China. The four inventions were regarded as the most important Chinese achievements in science and technology, simply because they had a prominent position in the exchanges between the East and the West and acted as a powerful dynamic in the ...
Chinese remainder theorem: The Chinese remainder theorem, including simultaneous congruences in number theory, was first created in the 3rd century AD in the mathematical book Sunzi Suanjing posed the problem: "There is an unknown number of things, when divided by 3 it leaves 2, when divided by 5 it leaves 3, and when divided by 7 it leaves a ...
The Warring States period began 2500 years ago at the time of the invention of the crossbow. [3] 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. [4]
An even earlier Chinese text of the Wujing Zongyao ("Collection of the Most Important Military Techniques"), written in 1044 by the Song scholars Zeng Kongliang and Yang Weide, described the use of three spring or triple bow arcuballista that fired arrow bolts holding gunpowder packets near the head of the arrow. [65]
China dominates the global race in generative artificial intelligence patents, filing more than 38,000 patents from 2014 to 2023, a U.N. report showed.
The Four Great Inventions of China: the compass, gunpowder, papermaking, and printing were among the most important technological advances, only known in Europe by the end of the Middle Ages. According to the Scottish researcher Joseph Needham , the Chinese made many first-known discoveries and developments.
Many historians attribute their invention to Australian scientist David Warren in the 1950s. Earliest devices recorded limited data on wire or foil. Later devices switched to magnetic tape.