Holger Gies, Friedrich-Schiller-Universitaet Jena (IMAGE) Friedrich-Schiller-Universitaet Jena Caption This is the Jena physicist Professor Dr. Holger Gies. Credit Photo: Anne Guenther/FSU Usage Restrictions None 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.