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Green Car Congress
Sep 29, 2014, 7:00 am53 ptsTrendingResearchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have, for the first time, been able to use laser measurement techniques and microphones to make highly precise, simultaneous measurements of the sources of noise in the air stream behind an aircraft engine. Aircraft…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.