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in 1543 he had made a model that cange the way people thing that the earth is the middle of the universe.
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had publish On The Fbric Of The Human Body.
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he had got on top of the leaning tower of pisa to prove that a one hundred pound object can go the same speed of a one pound object because of gravity.
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In 1680 Giovanni had publish On The Motion Of Animals.
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In 1687 Isaac had published the Philosophia Naturalis Principia Mathematica.