Markus Heilig and Eric Augier, Linköping University (image) Linköping University Share Print E-Mail Caption Professor Markus Heilig and principal research engineer Eric Augier from Linköping University have led the study. Credit Pia Molin/Linköping University Usage Restrictions Please use proper photo credit and caption. Share Print E-Mail 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.