This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Science_and_technology_of_the_Song_dynasty


00:01:20 1 Polymaths and mechanical engineering
00:01:31 1.1 Polymaths
00:05:46 1.2 Odometer and south-pointing chariot
00:09:56 1.3 Revolving repositories
00:12:32 1.4 Textile machinery
00:13:50 2 Movable type printing
00:16:34 3 Gunpowder warfare
00:16:43 3.1 Flamethrower
00:18:41 3.2 Fire lance
00:20:16 3.3 Gun
00:22:11 3.4 Land mine
00:22:59 3.5 Rocket
00:24:05 4 Civil engineering
00:30:44 5 Nautics
00:30:53 5.1 Background
00:31:41 5.2 Literature
00:38:06 5.3 Paddle-wheel ships
00:40:18 6 Metallurgy
00:43:40 7 Wind power
00:48:41 8 Archaeology
00:50:06 9 Geology and climatology
00:50:55 10 See also



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SUMMARY
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The Song dynasty (Chinese: 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.
The ingenuity of advanced mechanical engineering had a long tradition in China. The Song engineer Su Song admitted that he and his contemporaries were building upon the achievements of the ancients such as Zhang Heng (78–139), an astronomer, inventor, and early master of mechanical gears. The application of movable type printing advanced the already widespread use of woodblock printing to educate and amuse Confucian students and the masses. The application of new weapons employing the use of gunpowder enabled the Song to ward off its militant enemies—the Liao, Western Xia, and Jin with weapons such as cannons—until its collapse to the Mongol forces of Kublai Khan in the late 13th century.
Notable advances in civil engineering, nautics, and metallurgy were made in Song China, as well as the introduction of the windmill to China during the thirteenth century. These advances, along with the introduction of paper-printed money, helped revolutionize and sustain the economy of the Song dynasty.