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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.
Printing technology in the form of movable type was invented by Bi Sheng (毕升; 990–1051) in the 11th century. The work of Bi Sheng was written of by Shen Kuo in his Dream Pool Essays (Mengxi Bitan). [37] Movable type, alongside woodblock printing, increased literacy with the mass production of printed materials.
Geomorphology: In his Dream Pool Essays of 1088, Shen Kuo (1031–1095) wrote about a landslide (near modern Yan'an) where petrified bamboos were discovered in a preserved state underground, in the dry northern climate zone of Shanbei, Shaanxi; Shen reasoned that since bamboo was known only to grow in damp and humid conditions, the climate of ...
Shen Kuo was a renowned government official and military general during the Northern Song period of China. However, he was impeached from office by chancellor Cai Que (蔡確; 1036–1093), who wrongly held him responsible for a Song Chinese military defeat by the Tangut-led Western Xia dynasty in 1081 during the Song–Xia wars. [6]
Shen Kuo's written work of 1088 also contains the first written description of the magnetic needle compass, the first description in China of experiments with camera obscura, the invention of movable type printing by the artisan Bi Sheng (990–1051), a method of repeated forging of cast iron under a cold blast similar to the modern Bessemer ...
11th century: Shen Kuo discovers atmospheric refraction and provides the correct explanation of rainbow phenomenon [citation needed] 11th century: Shen Kuo discovers the concepts of true north and magnetic declination. 11th century: Shen Kuo develops the field of geomorphology and natural climate change. 1000: Al-Karaji uses mathematical ...
In 1193, Zhou Bida, an officer of Southern Song Dynasty, made a set of the clay movable-type method according to the method described by Shen Kuo in his Dream Pool Essays, and printed his book Notes of The Jade Hall (玉堂雜記). [42] Clay type printing was practised in China from the Song, through to the Qing dynasty (1644–1912). [43]
Bi Sheng (990–1051) of the Song dynasty also pioneered the use of wooden movable type around 1040 AD, as described by the Chinese scholar Shen Kuo (1031–1095). However, this technology was abandoned in favour of clay movable types due to the presence of wood grains and the unevenness of the wooden type after being soaked in ink. [16] [23]