Word: nela
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Dates: during 1920-1929
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Experimenters on both sides of the Atlantic are working to produce " cold " light, i. e., illuminating substances with a minimum of heat. Professor E. Newton Harvey, of Princeton, and Dr. W. R. Amberson, of the Nela Research Laboratories, Cleveland, have isolated " luciferin " and " luciferase," the phosphorescent substances which produce the glow of fireflies and similar animals. They hope to manufacture them artificially in quantity...