On a recent winter day on a wind farm in Germany, workers scaled 544-foot-tall wind turbines and started adding fringe-like attachments to the massive blades. The design, inspired by the shape of owl ...
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AMES, Iowa – From somewhere back behind the Iowa State University Icing Research Tunnel, Rye Waldman called out to see if Hui Hu was ready for a spray of cold water. The wind tunnel was down to 10 ...