Abstract
WHEN water moving with low uniform velocity encounters an obstacle, a capillary wave appears, looking like a very fine thread or hair floating on the surface. W. Schrnidt submits photographs showing this phenomenon when a gentle breeze is blowing over a lake or when a slow moving stream discharges into it. He points out that only a very thin surface layer is involved, and that this region of retarded motion shows mechanical properties analogous to those of an oil patch.
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Points from Foregoing Letters. Nature 137, 784 (1936). https://doi.org/10.1038/137784b0
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DOI: https://doi.org/10.1038/137784b0