Measuring Wind Turbines Remotely (IMAGE) Fraunhofer-Gesellschaft Caption The laser tracks the motion of the rotor blades and remains exactly at the same position on the surface. Operators of wind turbines can measure the oscillatory pattern over the entire structure of the facility from several hundred meters away at every desired spot. Credit © Fraunhofer IOSB Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. 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.