Nanoscale dynamics (IMAGE) University of Konstanz Caption Ultrafast electron diffraction of optically-excited metamaterials Credit Kathrin Mohler, Ludwig-Maximilians-Universität München 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.