Scanning Electron Microscope Image (IMAGE) Deutsches Elektronen-Synchrotron DESY Caption This is a scanning electron microscope image of the novel X-ray lens. The bright area is built from 5500 alternating layers of tungsten and silicon carbide. The dark area is the substrate. The width of the lens is 40 micrometers. Credit Credit: Saša Bajt/DESY Usage Restrictions Free for use by the media if reporting on the related paper. 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.