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Hot Topics· 2018-10-10What is blue lightIn 1958, J. Woodland Hastings and Beatrice M. Sweeney tested the ability of different wavelengths of light - corresponding to different colors -to shift the circadian rhythm in the photosynthetic marine dinoflagellate Gonyaulax polyedra. The greatest power to reset the organism’s daily meter lay in the blues, with a precipitous decline into the greens and a modest boost in the reds.
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Hot Topics· 2018-04-24Eyeglasses VS Contact LensesEyeglasses VS Contact Lenses