Word: quartz
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...Quartz...
...clock. As minute and second hand cut the hour he speaks. The vibration which is the "sound" of his voice becomes an electrical vibration. It speeds along a wire to a building in a scrub-pine clearing 40 miles away. There with the aid of a wafer of quartz crystal vibrating at a constant frequency of perhaps 11,830,000 cycles per second, and boosted by thousands of watts of electric power, the vibrations ripple from a great antenna outward in waves 26 meters long. In no time at all (for their speed is that of light], they reach...
...TIME, June 23) the U.S. nevertheless saw the start of such warfare last week on the chief Latin-American front: Brazil. A strategic loophole was plugged with a preclusive buying arrangement. Brazil stopped exporting-except to this Hemisphere and Britain-important war materials such as manganese, rubber, industrial diamonds, quartz crystal, mica...
...Optical glass made without silica (sand or quartz)-"almost as revolutionary," says Eastman Kodak Co., "as if someone had discovered how to make steel without iron." It is compounded of three rare metals: tantalum, tungsten, lanthanum...
With a special quartz red light. Dr. Melvin H. Knisely of the University of Chicago (on loan to the University of Tennessee) has taken colored movies of the Battle of Malaria. This week, at the Louisville meeting of the Southern Medical Association, Dr. Knisely showed his movies-the first ever taken of disease in a living bloodstream. For his stars Dr. Knisely had chosen five malarial monkeys. He anesthetized them, exposed their abdominal cavities. Through the microscope's eyepiece he photographed the changes in the tiny blood vessels on the abdominal lining...