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Lasers may aid missile defense, engine crack detection
Wind enhancer...
Ascension Island Green Way
Zeffy Ruvalcaba judges lemon-powered iPod charger
Ascension Island Green Way
Ascension Island Green Way
Wind turbines at sunset
New wind turbines help Air Force go green
163 012 002
Renewable Energy at Benton Lake National Wildlife Refuge
163 006 003
500 002 035
163 003 003
Blow hard
163 004 003
404 054 001
Ascension Island Green Way
America’s Great Outdoors event at the Effie Yeaw Nature Center
Ascension Island Green Way
Shirley Wind Farm - Green Bay, Wisconsin.
Solar power plant
April 19, 2013 - P3 Design Expo, Dartmouth College
Reduce CO2
This 1981 photograph depicts a Buffalo Turbine Son
HD.6D.359
Shirley Wind Farm - Green Bay, Wisconsin.
394 040 002
This 1981 photograph depicts a Buffalo Turbine Spr
163 001 003
408 043 001
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