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Sim Wong Hoo (Chinese: 沈望傅; 1955 – 4 January 2023) [1] [2] [3] was a Singaporean inventor and billionaire entrepreneur known for founding Creative Technology, a designer and manufacturer of products for personal computers and personal digital entertainment devices.
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.
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]
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 ...
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'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 ...
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.
A fragment of a dharani print in Sanskrit and Chinese, c. 650–670, Tang dynasty The Great Dharani Sutra, one of the world's oldest surviving woodblock prints, c. 704-751 The intricate frontispiece of the Diamond Sutra from Tang-dynasty China, 868 AD (British Museum), the earliest extant printed text bearing a date of printing Colophon to the Diamond Sutra dating the year of printing to 868