US military tests PSAP Voyager underwater scanner probes powered directly from the water
The PSAP Voyager hydrophones are self-contained, as they use the temperature difference in the surrounding water to power them. Until now, underwater communications have required surface or subsea infrastructure.
Autonomous underwater drones have found a «ghost ship» of the Pacific Ocean that sank more than 80 years ago
The remains of the 100-meter-long ship were found off the coast of California at a depth of more than 1 km — the ship had been considered lost forever for the past 80 years.
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