A tiny fibre-optic cable can sense a silent whale (IMAGE)
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Martin Landrø shows the size of the fiber optic cables that researchers used to detect whales, even when they were not making any sound. Landrø is a professor and head of the Norwegian University of Science and Technology's Centre for Geophysical Forecasting and the senior author of a new paper just published in PNAS, the Proceedings of the National Academies of Science.
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Photo: Nancy Bazillchuk, NTNU
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