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On four upcoming Saturdays, Birch Aquarium at Scripps Institution of Oceanography will be trading new, energy-efficient light bulbs for old light bulbs and torchiere lamps. The trade is free and ...
It is the short-wavelength light emitted from the sun which splits into UV-A, UV-B, UV-C. UV-C is the shortest one which has the germicidal effect. UV-C is good in breaking molecular bonds, altering ...
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