Martin Persson (IMAGE) Chalmers University of Technology Caption Martin Persson, Associate Professor Credit Chalmers/Johan Wingborg Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.