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Light - Wikipedia
2016-11-08T02:08:39+00:00
https://en.wikipedia.org/wiki/Light
quarrylight visible invisible radiation sight speedoflight sun photosynthesis quantum waveparticleduality vaccuum optics observable refraction fatamorgana matter einstein descartes isaacnewton wave particle both 1850 leonfoucault electromagnetism hertz classical quantummechanics photon
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