The more than 1.2 million km of fiber-optic cables that crisscross the planet carry the world’s phone calls, internet signals and data. But this summer, researchers published the eerie sounds of blue and fin whales detected by a fiber-optic cable on the west coast of Svalbard—a first.
Click here for original story, Existing fiber-optic cable networks could be used to establish a low-cost real-time ocean-Earth observatory
Source: Phys.org