PSI-Forscher (IMAGE) Paul Scherrer Institute Caption Die PSI-Forscher Mirko Holler, Zirui Gao, Johannes Ihli und Manuel Guizar-Sicairos (von links) vor der Synchrotron Lichtquelle Schweiz SLS, an der die Messungen stattfanden. Credit Paul Scherrer Institut/Markus Fischer Usage Restrictions PSI provides image and/or video material free of charge for media coverage of the content of the above text. Use of this material for other purposes is not permitted. This also includes the transfer of the image and video material into databases as well as sale by third parties. 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.