The physics of light and sunlight |
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| Authors: | Perkowitz Sidney |
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| Affiliation: | Department of Physics, Emory University, Atlanta, GA 30322-2430, USA. physp@emory.edu |
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| Abstract: | The physical properties of light, both natural and artificial, play a significant role in its interaction with humans. Although there is a yet-to-be-explained duality between light as waves and light as photons, we do understand many of the characteristics of light that affect living things. Here I review the general history of light and its properties, especially those that affect human health. |
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