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The earliest examples of silk production outside China are from silk threads discovered from the Chanhudaro site in the Indus Valley civilisation, which are dated to 2450–2000 BC. [ 8 ] [ 9 ] The analysis of the silk fibres shows presence of reeling and sericulture, and predates another example of silk found in Nevasa in peninsular India ...
Iron plate with an order 6 magic square in Eastern Arabic numerals from China, dating to the Yuan dynasty (1271–1368). Li Shanlan identity: discovered by the mathematician Li Shanlan in 1867. [29] Liu Hui's π algorithm: Liu Hui's π algorithm was invented by Liu Hui (fl. 3rd century), a mathematician of Wei Kingdom.
The production of silk originated in China in the Neolithic period, although it would eventually reach other places of the world (Yangshao culture, 4th millennium BC). Silk production remained confined to China until the Silk Road opened at some point during the latter part of the 1st millennium BC, though China maintained its virtual monopoly over silk production for another thousand years.
The origin of flags is unknown. Some of the earliest known banners come from ancient China to identify different parts of the army. [3] For example, it is recorded that the armies of the Zhou dynasty in the 11th century BC carried a white banner before them, although no extant depictions exist of these banners.
Cast iron: Confirmed by archaeological evidence, cast iron, made from melting pig iron, was developed in China by the early 5th century BC during the Zhou dynasty (1122–256 BC), the oldest specimens found in a tomb of Luhe County in Jiangsu province; despite this, most of the early blast furnaces and cupola furnaces discovered in China date ...
In his political discourse, Xi Jinping often cites the four great inventions as a source of national pride for China and its historic contributions to humanity. [39]: 32–33 In 2017, the term "four great new inventions" became popularized in China in reference to high-speed rail, mobile payment, e-commerce, and bike-sharing.
Silk spinning mill, Suzhou, China The filaments of six cocoons are used to form one thread for spinning silk (Suzhou, 1987) Women weaving silk. Kashgar. Local governments have and are continuing to introduce new facilities that are expected to bring in latest high-end silk manufacturing machinery that will elevate both the quality and the quantity of the silk being produced in China.
Du Shi invented waterwheel-powered bellows for smelting cast iron. 32: Ban Gu, co-author of the Book of Han, is born. 33: A blockade of the Yangtze River by the rebel Gongsun Shu was broken by Han castle ships. 43: Second Chinese domination of Vietnam: Vietnam fell into Han control. 45: Ban Zhao, China's first female historian, is born. 52: The ...