Free Electron Laser at HZDR, Germany (IMAGE) Helmholtz Association Caption An international team of researchers investigated light tsunamis in a superconductor using the HZDR free electron laser's strong terahertz flashes. Credit Frank Bierstedt 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.