Neutron Spectrometer (image) Ecole Polytechnique Fédérale de Lausanne Share Print E-Mail Caption The neutron spectrometer used in this study. Credit EPFL/PSI Usage Restrictions Media purposes only. Please mention credit. Share Print E-Mail 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.