Portable gas sensors improve atmospheric pollution measurements

Different types of compact, low-power portable sensors under development by three independent research groups may soon yield unprecedented capabilities to monitor ozone, greenhouse gases, and air pollutants. The three teams ...

Seeing through the fog (and dust and snow) of war

Degraded visibility—which encompasses diverse environmental conditions including severe weather, dust kicked up during takeoff and landing and poor visual contrast among different parts of terrain—often puts both the ...

Smart helicopter thanks to active rotor blades

Active systems in helicopter rotor blades can adapt the blades' aerodynamic properties to local airflow conditions. The use of such systems leads to lower fuel consumption, increased maximum speed and reduced noise and vibration. ...

Kenyan ranches relocating rhinos in fear of poachers

Claus Mortensen is a private Kenyan rancher with a passion -- endangered rhinos -- and now a mission: to save his herd from slaughter by ruthless poachers who sell their horns to Asia, where they are prized as a miracle drug.

Study identifies four family cultures in America

(Phys.org)—Four types of family cultures – the Faithful, the Engaged Progressives, the Detached and the American Dreamers – are molding the next generation of Americans, a three-year study by the University of Virginia's ...

NASA's Mars 2020 rover goes coast-to-coast to prep for launch

NASA's next Mars rover has arrived in Florida to begin final preparations for its launch to the Red Planet this July. Two Air Force C-17 Globemaster cargo planes carrying the Mars 2020 rover as well as the cruise stage, descent ...

Langley's bell UH-1H huey helicopter returns

NASA Langley's Bell UH-1H Huey helicopter returned to the Center Wednesday, Aug. 17, 2011, after a five-year long stint supporting space shuttle operations at Kennedy Space Center. The KSC work added another chapter to the ...

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