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The magnetic compass was first invented as a device for divination as early as the Chinese Han dynasty and Tang dynasty (since about 206 BC). [1] [3] [34] The compass was used in Song dynasty China by the military for navigational orienteering by 1040–44, [22] [35] [36] and was used for maritime navigation by 1111 to 1117. [37]
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).
The luopan or geomantic compass is a Chinese magnetic compass, also known as a feng shui compass. It is used by a feng shui practitioner to determine the precise direction of a structure, place or item. Luo Pan contains a lot of information and formulas regarding its functions. The needle points towards the south magnetic pole.
The Chinese polymath Shen Kuo (1031–1095) of the Song dynasty (960–1279) was the first to accurately describe both magnetic declination (in discerning true north) and the magnetic needle compass in his Dream Pool Essays of 1088, and the Song dynasty writer Zhu Yu (fl. 12th century) was the first to mention use of the compass specifically ...
The compass's origins may be traced back to the Warring States period (476–221 BC), when Chinese people utilized a device known as a si nan to point in the right direction. During the early Song dynasty, a spherical compass with a small needle made of magnetic steel was created after steady development.
[52]: 23 Sword dance (Chinese: 剑舞) and knife dance (Chinese: 刀舞) both evolved from Chinese martial arts, with the records of sword dance appearing as early as the Han dynasty. [ 52 ] : 23 Chinese swords known as peijian ( Chinese : 佩剑 ), are currently fashion accessories in hanfu and are often used by young male Hanfu enthusiasts ...
The suanpan (simplified Chinese: 算盘; traditional Chinese: 算盤; pinyin: suànpán), also spelled suan pan or souanpan [1] [2]) is an abacus of Chinese origin, earliest first known written documentation of the Chinese abacus dates to the 2nd century BCE during the Han dynasty, and later, described in a 190 CE book of the Eastern Han ...
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. The square was viewed as mystical, and according to Chinese mythology, "was first seen by Emperor Yu." [30]