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Liquid Hydrogen UAV

From the same company that brought you the Wasp MAV, Aerovironment announced yesterday that they have successfully completed the world's first liquid hydrogen powered Unmanned Aerial Vehicle (UAV) flight tests. From the press release: " AeroVironment's Global Observer High Altitude Long Endurance (HALE) platform will be able to operate at 65,000 feet for over a week with a flexible payload-carrying capacity of up to 1,000 pounds." Applications include government and military surveillance operations, communication relays, and the potential for persistent real-time imagery of wildfires, hurricanes, and other natural disasters. More pictures here.

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  1. Re:High Altitude Telescopes by Anonymous Coward · · Score: 3, Informative

    You would take a nice, stable telescope off of the ground and put it on a craft that vibrates like hell and your pictures would come out pretty bad (not to mention that your telescope would be so small that it wouldn't have near the resolving power that the ground scope would have).