Vacuum Chamber (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Doctoral student Jessica Warbinek (right) together with her supervisor, Professor Michael Block (left), working on the optimization of a vacuum chamber, which she will subsequently use for her work during the upcoming experimental phase at GSI. Credit photo/©: Jutta Leroudier, GSI Usage Restrictions This image may only be used in connection with the press release "Mainz U & GSI involved in EU network of PhD students for research on radioactive elements", issued by Johannes Gutenberg University Mainz on November 3, 2020. 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.