Word: ultraviolet
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Dates: during 1940-1949
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...issued some sunglasses which cut out 88%.) Dark glasses need not make it harder to see objects in bright light; they may help when much of the light is unnecessary. Advertising boasts of filtering out "harmful rays," says Dr. Peckham, are meaningless. Under ordinary conditions, he continues, infrared and ultraviolet rays, both invisible, make little difference; visible rays are the ones that do the damage...
...soundproofed . . . They will have books, magazines and newspapers, just like a home. They will have radio and television and recording attachments on the telephones so that the guest will receive his messages in the actual words in which they're given. Bathrooms, besides their present equipment, will have ultraviolet-ray machines, suntan and infrared lamps . . . What do you think of a future like that...
...chief proved or suspected producing agents, as Hueper lists them: physical agents, such as ultraviolet rays; inorganic substances, such as beryllium and selenium; organic chemicals, e.g., benzol; certain by-products from the process of refining oil shale and petroleum; vegetable products, e.g., betel nuts...
...radioactive rock does not contain uranium. It may contain thorium (also radioactive), in which the AEC has only a faint interest. The booklet describes a rather complicated process by which the prospector can test his find with ultraviolet light...
...number given was less than three. All patients left the hospital without sign of rheumatic heart disease except mechanical damage that had already taken place in the heart; 20 have returned to normal activity; one died, from another disease, and one "gained immeasurably." The three doctors concluded that "UBI" (ultraviolet blood irradiation) is safe and may prove, after further tests, to be the best treatment available...