Aerial photo of Advanced Photon Source (IMAGE) Optica Caption The researchers tested their new x-ray optics-on-a-chip device using the x-ray source at Argonne's Advanced Photon Source synchrotron, which is pictured from above. Credit Argonne National Laboratory 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.