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Submarine cables could be repurposed as earthquake detectors

Submarine cables could be repurposed as earthquake detectors
4 (80%) rating

2018 June 16 – The principle involves seismic waves from earthquakes which will deform the submarine cables minutely. The resulting tiny phase changes in light (in the order of millionths of a metre for a cable several thousand kilometres long) can be detected.

A good example of the way in which advances in one field of science can lead to new developments in other, apparently unrelated fields. – economist.com

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