William Zhang (IMAGE) NASA/Goddard Space Flight Center Caption The 2019 Goddard IRAD Innovator of the Year William Zhang holds one of the X-ray mirror segments that he and his team manufactured from mono-crystalline silicon -- a material never before configured for capturing high-energy X-ray photons. Credit NASA/Chris Gunn 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.