(Phys.org) -- Silent Falcon UAS Technologies of Albuquerque, New Mexico earlier this week took the wraps off the solar-powered Silent Falcon. The Silent Falcon is designed to be a man-portable small Unmanned Aircraft System ...
Deadly floods, power blackouts and traffic gridlock -- many of Asia's biggest cities are buckling under the strain of rapid economic development, extreme weather and an exodus from the countryside.
Environment
Aug 13, 2012
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When you look at a gift-wrapped present, the basic properties of the wrapping paper — say, its colors and texture — are not generally changed by the nature of the gift inside.
Nanomaterials
Aug 13, 2012
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