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Fiber Optics Bring You Internet. Now They’re Also Listening to Trains

Wednesday January 31, 2024. 01:00 PM , from Wired: Tech.
“Distributed acoustic sensing” looks for disturbances in fiber to detect earthquakes and even insects. Can it also improve rail safety?
https://www.wired.com/story/fiber-optics-bring-you-internet-now-theyre-also-listening-to-trains/

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