Abstract
'RADAR', the code name for radio detecting and ranging, has been officially revealed to be one of the foremost scientific developments of the War, according to a statement issued by the Western Electric Co. (Bell Lab. Rec., 21, No. 10 ; June 1943). An electronic instrument projects a beam of radio impulses, and these impulses reveal the presence of distant objects by rebounding to the observer. When trained on enemy aeroplanes, still so distant as to be beyond the reach of anti-aircraft guns, 'radar' reports their presence. The system is, of course, unaffected by darkness, clouds or fog.
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RADIO DETECTION AND RANGING. Nature 152, 391–392 (1943). https://doi.org/10.1038/152391b0
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DOI: https://doi.org/10.1038/152391b0