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This sub-section is about paper making; for the writing material first used in ancient Egypt, see papyrus.. Paper: Although it is recorded that the Han dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating from the 2nd century BC ...
Jin Guantao, a professor at the Chinese University of Hong Kong, Fan Hongye, a research fellow with the Chinese Academy of Sciences, and Liu Qingfeng, a professor at the Chinese University of Hong Kong, assert that the latter part of the Han dynasty was a unique period in the history of premodern Chinese science and technology. [2]
The compass in the Four Great Inventions was formerly the compass of ancient China. It is a kind of direction-indicating tool, which is widely used in navigation, field exploration and other fields. In ancient times, it had a profound influence on trade, war and cultural exchange.
Four Great Inventions. The intricate frontispiece of the Diamond Sutra from Tang dynasty China, 868 AD (British Library) The "Four Great Inventions" (simplified Chinese: 四大发明; traditional Chinese: 四大發明; pinyin: sì dà fāmíng) are the compass, gunpowder, papermaking and printing. Paper and printing were developed first.
Li Shanlan identity: discovered by the mathematician Li Shanlan in 1867. [29] Liu Hui's π algorithm: Liu Hui's π algorithm was invented by Liu Hui (fl. 3rd century), a mathematician of Wei Kingdom. Magic squares: The earliest magic square is the Lo Shu square, dating to 4th century BCE China.
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.
The Han dynasty (206 BCE – 220 CE) was the second imperial dynasty of China. It followed the Qin dynasty, which had unified the Warring States of China by conquest. It was founded by Liu Bang (Emperor Gaozu). [ note 1 ] The dynasty is divided into two periods: the Western Han (206 BCE – 9 CE) and the Eastern Han (25–220 CE), interrupted ...
Timeline of Chinese history. This is a timeline of Chinese history, comprising important legal and territorial changes and political events in China and its dynasties. To read about the background to these events, see History of China. See also the list of Chinese monarchs, Chinese emperors family tree, dynasties of China and years in China.