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Isaac Newton: Who He Was, Why Google Apples Are Falling

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Deborah Valkenburg
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« on: November 19, 2011, 03:30:40 pm »

Isaac Newton: More Than Master of Gravity

Decoding gravity was only part of Newton's contribution to mathematics and science. His other major mathematical pre-occupation was calculus, and along with German mathematician Gottfried Leibniz, Newton developed differentiation and integration—techniques that remain fundamental to mathematicians and scientists.

Meanwhile, his interest in optics led him to propose, correctly, that white light is actually the combination of light of all the colors of the rainbow. This, in turn, made plain the cause of chromatic aberration—inaccurate color reproduction—in the telescopes of the day. (Related: "Galileo's Telescope at 400: From Spyglasses to Hubble.")

To solve the problem, Newton designed a telescope that used mirrors rather than just glass lenses, which allowed the new apparatus to focus all the colors on a single point—resulting in a crisper, more accurate image. To this day, reflecting telescopes, including the Hubble Space Telescope, are mainstays of astronomy (picture of an Isaac Newton-designed reflecting telescope).
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Skepticism is good, but when you reach a certain level where
you're grasping at straws and making little sense... it's not
called skepticism.  It's called ignorance.
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