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Alumni Message Board

Your General Message Board to stay connected with former classmates & teachers from Central Catholic, Stamford Catholic, St.Marys and Trinity Catholic.

Alumni Message Board
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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.