Annette Mütze (IMAGE) Graz University of Technology Caption Annette Mütze from the Electric Drives and Power Electronic Systems Institute at Graz University of Technology. Credit Lunghammer - TU Graz Usage Restrictions This image may only be used in context with the content of this press release. License Original 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.