Abstract
ACCORDING to a message from Science Service, flashes of lightning photographed by a cine-camera by J. W. Beams, L. B. Snoddy and E. J. Workman, of the Universities of New Mexico and Virginia, were shown at the recent meeting of the American Physical Society. The progress of the flash was shown to be similar to that of a nail gradually piercing a wooden board step by step under the successive blows of a hammer. Their cameras showed that the first flash extended halfway from the cloud to the earth. A second one followed the path of the first but went six tenths of the way, while a third travelled seven tenths of the distance. The fourth flash reached all the way and struck the earth. Four other flashes from the cloud to the earth followed at short intervals of approximately one hundredth of a second.
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Flashes of Lightning. Nature 137, 901 (1936). https://doi.org/10.1038/137901b0
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DOI: https://doi.org/10.1038/137901b0