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    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 156 (1945), S. 692-692 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. HARTRIDGE has suggested1 a comparison between radar and acoustic range- and direction-finding in bats. He suggests that the interrupted supersonic note may be used to measure the range to obstacles. The note emitted lasts about 0.01 sec. During this time the first waves of ...
    Type of Medium: Electronic Resource
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