The ability to detect earthquakes on fiber optic cables in really interesting. I’m impressed with how accurate and flexible this seems to be. The concrete use cases for early detection of earthquakes and tsunamis is great. That the accuracy allows for detection of more subtle things like traffic is really interesting. This seems like an excellent way to monitor things like bridges and dams for signs of damage and wear. Given the state of the infrastructure in the US, this could be a very good thing.
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