The city of Minneapolis is removing 46,000 water meter transmitters that failed within a few years
Minneapolis city employees are replacing 46,000 water meter transmitters in homes and businesses after they began to fail within a few years of installation, in a fix that has cost the city about $2 ...
itc.ua5d
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 ...