Mikael Gustavsson and Erik Kristiansson (IMAGE) Chalmers University of Technology Caption Mikael Gustavsson and Erik Kristiansson, Chalmers University of Technology and the University of Gothenburg. Credit Daniel Stahre, Chalmers University of Technology Usage Restrictions For media use 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.