Ice on a wind turbine blade (IMAGE) Iowa State University Caption This drone photo from a field study of icing on wind turbines shows how ice accumulated at the tip of a turbine blade during a winter storm. Credit Photo courtesy of Hui Hu/Iowa State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.