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Brahe's accurate celestial data allow Johannes Kepler to develop his theory of elliptical planetary motion and provide evidence for the Copernican system. In addition, Kepler writes a qualitative description of gravitation.
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considered by many to be the father of modern physics because of his willingness to replace old assumptions in favor of new scientifically deduced theories. He is famous for his celestial theories, and his works on mechanics paved the way for Newton.
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develops the laws of mechanics (now called classical mechanics) which explains object motion in a mathematical fashion.
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develops the wave theory of light and describes light interference.
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creates the electric motor, and develops an understanding of electromagnetic induction, which provides evidence that electricity and magnetism are related. In addition, he discovers electrolysis and describes the conservation of energy law.
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his research on electromagnetic induction is performed at the same time as Faraday's. He constructs the first motor; his work with electromagnets leads directly to the development of the telegraph.
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performed important research in three areas: color vision, molecular theory, and electromagnetic theory. The ideas underlying Maxwell's theories of electromagnetism describes the propagation of light waves in a vacuum.
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developed a theory of the electron and estimates its mass
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discovers X rays
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he measuresd the electron, and puts forth his "plum-pudding" model of the atom -- that the atom is a slightly positive sphere with small, raisin-like negative electrons inside.