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The Expanding Universe

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Physics is the science of the very small and the very large. Learn about Isaac Newton, who gave us the laws of motion and optics, and Albert Einstein, who explained the relativity of all things, as well as catch up on all the latest news about Physics, on

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Question: Which is the base unit for mass?

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Vitruvian Boy

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Architecture is frozen music

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[ Mathematics : Complex Numbers and Series]

[Mathematics] The polar coordinates of a point in space are an alternative to the Cartesian coordinate system ($z=x+yi$), and expresses part of the location as the angle to the positive x-axis.

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