Word: ultraviolet
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Dates: during 1930-1939
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...investigators are trying to cure tuberculosis by introducing ultraviolet light to infected body cavities. The artificial sunlight might kill the germs and heal the tissues if it could shine on them. A problem has been how to build a light producer small enough and cool enough to get into the cavities. Last year Drs. John Roberts Caulk & Frank Henry Ewerhardt of Washington University, St. Louis, successfully entered a tuberculous bladder, alleviated it with irradiation. They used a cold quartz generator of ultraviolet light...
...Saturn, through which the comet is at present passing; and it is the gases that are emitted by this cloud which unite with the comet and produce a reflection of unusual brillianey, a light which is made brighter by the presence of the sun. Another theory has been that ultraviolet light surrounds the comet...
...living cells to be studied while whirling at the ratio of 10,000 revolutions a minute. Dr. John Belling of the Carnegie Institution, using photomicrographic equipment, photographed the gene, the tiny particle which is believed to control heredity. Dr. Ralph Walter Graystone Wyckoff of the Rockefeller Institute used invisible ultraviolet light to photograph the growth of living cells under the microscope...
Washed, ionized, ozoned, ultraviolet, solarized...
Perfection of a machine which adds Vitamin D to m>lk was announced >by the University of Wisconsin Alumni Research Foundation last week. The device consists of a large upright cylinder within which glares a12,000-watt battery of carbon arc lamps. The arcs emit ultraviolet light. The light synthesizes Vitamin D in milk exposed to its irradiation as Wisconsin's Professor Harry Steenbock ; has demonstrated. In operation 3,000 quarts of milk flow in a thin sheet down the inner walls of the cylinder, acquiring Vitamin D in about the same strength as occurs naturally in good...