(IMAGE) Goethe University Frankfurt Caption Professor Claudius Gros, theoretical physicist at the Goethe University Frankfurt Credit Uwe Dettmar for Goethe University Frankfurt Usage Restrictions To be used only when reporting on Goethe University Frankfurt, Germany. Give credit to: Uwe Dettmar for Goethe University Frankfurt License Original 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.