Gallery: US Navy Tests Bacteria-Powered Fuel Cell Underwater Monitoring...


The US Navy is currently testing a microbial fuel cell powered underwater device that, instead of harvesting electricity from microbial cell growth like most microbial fuel cell devices, harvests gas and heat to provide buoyancy and a small amount of energy for its low-power sensors. The device is called the Zero Power Ballast Control (ZPBC) and the Navy hopes to eventually use it to visually monitor the ocean’s depths and to monitor ocean temperatures over long periods of time.

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