Future Opportunities and Challenges in Remote Sensing of Drought Brian D. Wardlow, Martha C. Anderson, Justin Sheffield, Brad Doorn, Xiwu Zhan, Matt Rodell, and Others National Drought Mitigation Center, University of Nebraska-Lincoln U.S. Department of Agriculture, Agricultural Research Service Department of Civil and Environmental Engineering, Princeton University National Aeronautics and Spa...

A smart helmet-based wearable personnel proximity warning system was developed to prevent collisions between equipment and pedestrians in mines. The helmet worn by receives signals transmitted Bluetooth beacons attached heavy equipment, light vehicles, or dangerous zones, provides visual LED warnings the operators simultaneously. performance test of proposed conducted an underground limestone m...

T. J. GOODWIN, L. COATE-LI, R. M. LINNEHAN, AND T. G. HAMMOND Cellular Biotechnology Program, Flight Definition/Cell Biology, National Aeronautics and Space Administration, Johnson Space Center, Wyle Laboratories, Life Sciences-Systems and Services, and Flight Crew Operations, National Aeronautics and Space Administration, Johnson Space Center, Houston, Texas 77058; and Tulane Environmental Ast...

1 Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA, 2 Global Modeling and Assimilation Office, National Aeronautics and Space Administration Goddard Space Flight Center, Greenbelt, MD, USA, 3 Cryospheric Sciences Laboratory, National Aeronautics and Space Administration Goddard Space Flight Center, Greenbelt, MD, USA, 4 Science Applications Internatio...

[13] E M Gray and W L Smith. On the limitations of software process assessment and the recognition of a required reorientation for global process improvement.

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA ' s scientific and technical information. The NASA STI Program Office provide...

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...