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The Chinese astronomer Geng Shouchang of the Han dynasty (202 BC – 220 AD) invented it separately in China in 52 BC, and the Han dynasty polymath Zhang Heng (78–139 AD) was the first to apply motive power using a set of complex gears rotated by a waterwheel which was powered by the constant pressure head of an inflow clepsydra clock, the ...
The Four Great Inventions are inventions from ancient China that are celebrated in Chinese culture for their historical significance and as symbols of ancient China's advanced science and technology. They are the compass, gunpowder, papermaking and printing. [1]
The Han dynasty (206 BCE – 220 CE) of early imperial China, divided between the eras of Western Han (206 BCE – 9 CE, when the capital was at Chang'an), the Xin dynasty of Wang Mang (r. 9–23 CE), and Eastern Han (25–220 CE, when the capital was at Luoyang, and after 196 CE at Xuchang), witnessed some of the most significant advancements ...
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. [citation needed]
e. The Song dynasty (Chinese: 宋朝; 960–1279 CE) witnessed many substantial scientific and technological advances in Chinese history. Some of these advances and innovations were the products of talented statesmen and scholar-officials drafted by the government through imperial examinations. Shen Kuo (1031–1095), author of the Dream Pool ...
Until the Qing Dynasty (1644–1912), China was a world leader in technology and scientific discovery. Many Chinese inventions — paper and printing, gunpowder, porcelain, the magnetic compass, the sternpost rudder, and the lift lock for canals — made major contributions to economic growth in the Middle East and Europe.
A Chinese printed playing card dated c. 1400 AD, Ming dynasty, found near Turpan, measuring 9.5 by 3.5 cm. Playing cards may have been invented during the Tang dynasty around the ninth century AD as a result of the usage of woodblock printing technology.
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 ...