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& were using this device  "FRE"-DOM: It's the art of painting on a moist, plaster... [DOC] [TLE] Chinese Inventions - SACU [PAR] Over thousands of years China has produced a great stream of inventions, 
ranging ... evidence suggests paper was in use in China two hundred years 
earlier. ... of paper were developed, including bamboo paper, hemp paper, hide 
paper and ... The formula for gunpowder reached the Arab world in the 12th 
Century and... [DOC] [TLE] The impact of China on the history of technology [PAR] Feb 10, 2015 ... Science in China has a long history and developed quite independently of 
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ingenuity .... The Chinese began to use wood block printing in the 7th century... [DOC] [TLE] List of Chinese inventions - Wikipedia [PAR] China has been the source of many innovations, scientific discoveries and 
inventions. .... 12th century) was the first to mention use of the compass 
specifically for ..... bellows (i.e. air-blowing device) in the Han Dynasty (202 BC  
220 AD) were of ...... Horse collar: A significant improvement of the ancient breast 
harness was... [DOC] [TLE] Science and technology of the Song dynasty - Wikipedia [PAR] The Song dynasty (Chinese: ; 9601279 CE) provided some of the most 
significant .... The device used mechanical dead reckoning, rather than the 
magnetism of a compass .... These 'fire-lances' were widespread in use by the 
early 12th century, ... In ancient China, the sluice gate, the canal lock, and flash 
lock had been... [DOC] [TLE] PowerPoint Lecture Chapter 36-37 - Triton Science [PAR] Using electromagnetism in electric motors, you can convert electrical energy to 
mechanical ... B. The Chinese were first to fashion magnets into compasses in 
the 12th century ... In materials such as iron, each atom has four electrons whose 
spin magnetism is uncanceled. a. ... Device used to measure very small currents. 
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this. ... years agowith the development of simple devices to harness the energy 
of ... It was known in China by the 1st century ce, was used throughout Europe by 
the ... to ebbing tide conditions, tidal mills were widely used by the 12th century. [DOC] [TLE] Tibet, India, and Malaya as Sources of Western Medieval ... - JStor [PAR] the modern world modern were of Chinese origin: notably gunpowder, the 
compass, paper .... use it? The British Museum has an unpublished Kushan 
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history of machine ..... Europe by the end of the twelfth century.72 Could gravity 
and magnetism. [DOC] [TLE] 6 - Society for the History of Medieval Technology and Science [PAR] A proper appreciation of early developments in magnetism became possible only 
after ... Chinese names for the magnetic needle were "the tadpole" and "the fish", 
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lodestone to... [DOC] [TLE] Ancient Chinese Contributions Essay Example | Topics, Sample ... [PAR] Chinese firearms, fireworks and gunpowder were popular items of trade ... But if I 
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wheelbarrow is

Question: By the 12th century, the Chinese had harnessed magnetism & were using this device
Answer: compass