An Atomic Standard in KL FAMO, Poland. (IMAGE) University of Warsaw, Faculty of Physics Caption An atomic standard, one of the main elements of the optical atomic clock, now operating at the National Laboratory of Atomic, Molecular and Optical Physics (KL FAMO) in Toru?, Poland. (Source: NCU, Anna Bielawiec-Osi?ska) Credit Source: NCU, Anna Bielawiec-Osi?ska Usage Restrictions The image may only be used with appropriate caption and credit (Source: NCU, Anna Bielawiec-Osi?ska) 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.