mMore torpedo-shaped robots are plying the oceans to sniff out mines, gather environmental data, and scan the ocean floor for famous wrecks. But these underwater vehicles struggle with the same problem that heavy smartphone users have: short battery life. Autonomous underwater vehicles, or AUVs, have so far been limited in use. If the industry can come up with a way to repower them at sea, these underwater robots could give the military powerful new tools and take on a broader range of commercial and scientific jobs. Bluefin Robotics’s solution is much like what the auto industry is developing for electric cars: charging stations on the ocean bottom.
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