Comagnetometer Setup (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Dr. Teng Wu richtet den Laserstrahl der Komagnetometrie-Anordnung aus. Credit Foto/©: Arne Wickenbrock Usage Restrictions This image may only be used in connection with the press release "Tracking down dark matter", issued by Johannes Gutenberg University Mainz on July 2, 2019. 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.