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North corresponds to 0°, so east is 90°, south is 180° and west is 270°. The history of the compass started more than 2000 years ago during the Han dynasty (202 BC – 220 AD). The first compasses were made of lodestone, a naturally magnetized stone of iron, in Han dynasty China. [1][2] It was called the "South Pointing Fish" and was used ...
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.
Other civilian technologies such as superconductivity and high-yield hybrid rice led to new developments due to the application of science to industry and foreign technology transfer. In March 1986, China launched a large-scale technology development plan, the 863 Project. [107]: 88.
History of geomagnetism. A reconstruction of an early Chinese compass. A spoon made of lodestone, its handle pointing south, was mounted on a brass plate with astrological symbols. [1] The history of geomagnetism is concerned with the history of the study of Earth's magnetic field. It encompasses the history of navigation using compasses ...
By era. v. t. 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 ...
jinamcha. The south-pointing chariot (or carriage) was an ancient Chinese two-wheeled vehicle that carried a movable pointer to indicate the south, no matter how the chariot turned. Usually, the pointer took the form of a doll or figure with an outstretched arm. The chariot was supposedly used as a compass for navigation and may also have had ...
Zhang Heng (Chinese: 張 衡; AD 78–139), formerly romanized Chang Heng, was a Chinese polymathic scientist and statesman who lived during the Han dynasty.Educated in the capital cities of Luoyang and Chang'an, he achieved success as an astronomer, mathematician, seismologist, hydraulic engineer, inventor, geographer, cartographer, ethnographer, artist, poet, philosopher, politician, and ...
Shen Kuo. Shen Kuo[a] (Chinese: 沈括; 1031–1095) or Shen Gua[b], courtesy name Cunzhong (存中) and pseudonym Mengqi (now usually given as Mengxi) Weng (夢溪翁), [1] was a Chinese polymath, scientist, and statesman of the Song dynasty (960–1279). Shen was a master in many fields of study including mathematics, optics, and horology.