News tagged with uav
Aeroacoustics Research Could Quiet Unmanned Aerial Vehicles (UAVs)
Jan 22, 2009 |
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(PhysOrg.com) -- Unmanned aerial vehicles (UAVs) are playing increasingly important roles in many fields. Ranging in size from the huge Global Hawk aircraft to hand-held machines, these remotely controlled ...
Search results for uav
Hydrogen-Powered Ion Tiger Sets 26-hour Flight Endurance Record
Nov 30, 2009 |
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 26 hours and 1 minute carrying a 5-pound payload, setting another unofficial flight endurance record ...
Ion Tiger fuel cell unmanned air vehicle completes 23-hour flight
Oct 13, 2009 |
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The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 23 hours and 17 minutes, setting an unofficial flight endurance record for a fuel-cell powered ...
Best energy harvesting sources for future AF UAVs
Jul 14, 2009 |
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Dye-sensitized solar cells (DSSCs) are expected to power Air Force unmanned aerial vehicles (UAVs) in the future because they are an optimum energy harvesting source that may lead to longer flight times without refueling.
A drone for security and safety (w/Video)
May 29, 2009 |
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(PhysOrg.com) -- European researchers have developed a small robotic drone capable of helping save lives in emergency situations or preventing terrorist attacks in urban areas.
Surveillance vehicles take flight using alternative energy (w/Video)
Apr 17, 2009 |
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Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as ...
Surveillance vehicles take flight using alternative energy
Mar 30, 2009 |
4.9 / 5 (7) |
5
Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as ...
Scientists to assess Beijing Olympics air pollution control efforts
Aug 08, 2008 |
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As the Summer Olympics in Beijing kicks off this week, the event is giving scientists a once-in-a-lifetime opportunity to observe how the atmosphere responds when a heavily populated region substantially curbs ...
Unmanned aircraft to study Southern California smog and its consequences
Space & Earth / Earth Sciences
May 06, 2008 |
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Using sophisticated unmanned aircraft, research scientists at Scripps Institution of Oceanography, UC San Diego hope to assess Southern California’s potential for climate change and better understand the sources ...
Unmanned aerial vehicles mark robotic first for British Antarctic Survey
Space & Earth / Earth Sciences
Mar 18, 2008 |
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Scientists at British Antarctic Survey (BAS) in collaboration with the Technical University of Braunschweig (TUBS), Germany have completed the first ever series of flights by autonomous unmanned aerial vehicles (UAVs) in ...
Small, self-controlled planes combine plant pathology and engineering
Jun 13, 2007 |
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A Virginia Tech plant pathologist has developed autonomous unmanned aerial vehicles (UAVs) to detect airborne pathogens above agricultural fields.
List of search results for uav
