Stealth unmanned combat vehicle makes first flight

Looking like something straight from a 1950’s science fiction magazine, the stealthy Phantom Ray unmanned airborne system (UAS) successfully completed its first flight on April 27, 2011 at NASA’s Dryden Flight Research ...

Engineers study birds, bees to design unmanned vehicles

(PhysOrg.com) -- University of Arizona aerospace and mechanical engineers are studying bird and bee flight to develop unmanned vehicles that stay aloft longer and cope with sudden and severe changes in airflow.

Laser shoots down drones at sea (w/ Video)

(PhysOrg.com) -- An infrared laser developed by Arizona company Raytheon Missile Systems has been demonstrated shooting down incoming drones over the ocean off the coast of California.

Improving UAVs using holographic adaptive optics

Air Force Office of Scientific Research-supported holographic, adaptive, optics research may help transform software into computer-free, electronics for unmanned aerial vehicles, high energy lasers and free-space optical ...

Novel zoom objective with deformable mirrors

Unmanned aerial vehicles UAVs deployed on landscape analysis missions carry optical measuring equipment that is required to operate free of chromatic aberration. Researchers have now designed an all-reflective zoom objective ...

Hydrogen-Powered Ion Tiger Sets 26-hour Flight Endurance Record

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 for a fuel-cell ...

page 14 from 14