Colm Nestor, Linköping University (IMAGE) Linköping University Caption This is Colm Nestor, Assistant Professor, Linköping University. Credit Linköping University Usage Restrictions Please use proper caption and photo credit. 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.