Am Messtisch: (IMAGE) University of Bonn Caption (von links) Frank Vewinger, Martin Weitz, David Dung, Erik Busley und Christian Kurtscheid im Labor des Instituts für Angewandte Physik der Universität Bonn. Credit (c) Foto: Volker Lannert/Uni Bonn Usage Restrictions This photo may be used together with the press release. 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.