Abstract
PHYSICISTS who are interested in the problem of -L the temperature and constitution of the upper atmosphere have been awaiting with some impatience the publication of the official reports on the audibility of the experimental explosions arranged by the International Commission for Investigations on the Sound of Explosions. The first experiment was made (at Oldebroek in Holland) in October 1922, but the full report on the second experiment or series of experi ments has appeared first. This report1 has been prepared by Prof. Charles Maurain, head of the Institut de Physique du Globe at Paris. Some idea of the mass of evidence that has been digested may be gathered from the facts that 405 observations were plotted on the map showing the audibility of the first explosion, 360 and 240 on the maps for the second and third.
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WHIPPLE, F. Audibility of Explosions and the Constitution of the Upper Atmosphere. Nature 118, 309–313 (1926). https://doi.org/10.1038/118309a0
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DOI: https://doi.org/10.1038/118309a0