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...astronomers with wide-slit spectroscopes have been able to see the prominences without benefit of eclipse, and in recent years the prominences have been studied and photographed regularly with spectrohelioscopes and spectroheliographs. Bernard Lyot of France, operating a special telescope from a mountain in the Pyrenees, managed to chart the corona of the uneclipsed sun, and Bell Telephone Laboratories have lately designed an instrument called the "Coronaviser," which sidetracks the light from the body of the sun, then scans the prominences and corona with a television pickup. But nothing equals one of Nature's own blackouts...
...distance of both bodies from earth varies slightly, and the size of their apparent disks varies accordingly. April's annular eclipse begins in the Pacific, crosses the southern U.S. -darkening Austin, Houston, Baton Rouge, New Orleans, Pensacola, Tallahassee, Savannah, Jacksonville-and ends in the Atlantic (see chart}. Texas' McDonald Observatory, which is 50 miles from the shadow path, will send a party into the path near the Mexican border to study infra-red radiation from the bright ring around the moon...
...contours of Brazil on music paper, Villa-Lobos invented a "millimetric musical chart"-a graph on which he placed, in vertical columns on the left side, the diatonic, chromatic and other scales, with one note for each horizontal line. Villa-Lobos got photographs of Brazil's major mountains, took tracings of their outlines. When he put a tracing on the graph, with the base of the mountain on any note that suited his fancy, he had something...
Villa-Lobos realized that music could thus be charted from business indices, people's profiles (turned on their side), or even a random scrawl. As director of Brazil's public musical education, he tried out his idea on school children. Last week many a Brazilian moppet, playing at composing, drew jagged lines on paper, superimposed them on a millimetric chart (with the chromatic scale only), rushed to a piano to hear the result...
Original rhythm boys were Gynecologists Kyusaku Ogino of Japan and Hermann Knaus of Prague. They found that every woman has a sterile period of about two weeks in her menstrual cycle, concluded that such periods could be calculated as accurately as astronomers chart eclipses of the moon. To simplify elaborate mathematical computations, some ten companies throughout the U. S. put out a line of graphs, wheels, calendars and slide rules, which sell from...