Ytterbium Experiment (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Experimental set-up of the ytterbium experiment at the Helmholtz Institute Mainz with physicist Dr. Dionysis Antypas. Credit photo/©: Dionysis Antypas Usage Restrictions This image may only be used in connection with the press release "Atomic parity violation research reaches new milestone", issued by Johannes Gutenberg University Mainz on November 12, 2018. 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.