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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 ...
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 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 February 2025. Imperial dynasty in China (202 BC – 220 AD) "Eastern Han" and "House of Liu" redirect here. For the Five Dynasties-era kingdom, see Northern Han. For other uses, see House of Liu (disambiguation). Han 漢 202 BC – 9 AD; 25–220 AD (9–23 AD: Xin) The Western Han dynasty in 2 AD ...
Ding Huan (Chinese: 丁緩) was a Chinese craftsman, mechanical engineer, and inventor who lived in the first century CE during the Han dynasty. Among the inventions attributed to him is an air conditioning system based on evaporative cooling .
It is because of this revolutionary device (and other achievements) that Ma Jun is known as one of the most brilliant mechanical engineers and inventors of his day (alongside Zhang Heng of the earlier Eastern Han dynasty). The device was re-invented by many after Ma Jun, including the astronomer and mathematician Zu Chongzhi (429–500).
The Han dynasty ruled in an era of Chinese cultural consolidation, political experimentation, relative economic prosperity and maturity, and great technological advances. There was unprecedented territorial expansion and exploration initiated by struggles with non-Chinese peoples, especially the nomadic Xiongnu of the Eurasian Steppe.
The overall strategic Han successes against the Xiongnu allowed the Chinese to project their influence deeply into Central Asia.With the Han conquest of the Hexi Corridor in 121 BC, the city-states at the Tarim Basin were caught in between the onslaught of the war, with much shifting of allegiance. [5]
The Han dynasty (202 BC – 220 AD) was the second imperial dynasty of China, following the Qin dynasty (221–207 BC). It was divided into the periods of Western (Former) Han (202 BC – 9 AD) and Eastern (Later) Han (25–220 AD), briefly interrupted by the Xin dynasty (9–23 AD) of Wang Mang .