Surveillance Vehicles Take Flight Using Alternative Energy

Monday, March 30, 2009 - 12:28 in Physics & Chemistry

Nearly undetectable from the ground, unmanned aerial vehicles are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight to help tactical decision-makers gather critical information more efficiently... and more quietly. This latest technology merges two separate efforts -- UAV technology and fuel cell systems.

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