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Earth, geometric, system, heroism, advanced, maps, 136 AD
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disproved movement of the earth in the middle,1514
http://www.biography.com/people/nicolaus-copernicus-9256984#awesm=~oAQFnmSLnSr8aT -
thought the sun and earth was in the middle
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military compass, geometrical, hydrostatic balance, measuring, law, small objects
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Kepler discovered planets and movement
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Newton proved laws and improved telescopes
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