Word: ion
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Dates: during 1951-1951
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Many substances, including platinum give off ions (electrified particles) when heated to high temperature. At one end of the lonophone's quartz tube is a small quartz cylinder with a coating that contains fine particles of platinum. When the platinum is heated electrically to about 1,000° C., it fills the horn-shaped cavity above it with a cloud of rapidly zigzagging ions. The ion cloud responds almost instantly to changes in the strength of a high-frequency electric field around the little quartz cylinder, and the cloud's expansion and contraction set up sound waves. When...
...scientists dissolved a little ferrous sulphate and carbon dioxide in pure water, enclosed it in a specially designed glass cell, and exposed it to a high-energy helium ion beam from a cyclotron. Analysis showed that a little of the carbon dioxide combined with water to produce formic acid and formaldehyde. Scientists have long known that solutions of formaldehyde sometimes turn into sugar...
INTERIM A 1 ION...
...best literary work of 1950, the U.S. book industry gave the second annual National Book Awards to William Faulkner for his Collected Stories; New-Ion Arvin for his biography, Herman Melville; and Poet Wallace Stevens for The Auroras of Autumn...