Experiment (IMAGE) Johannes Gutenberg Universitaet Mainz Caption For the experiment, atoms of rubidium-87 are first pre-cooled and then transported to the main test area, which is a custom-made vacuum chamber. There they are cooled to temperatures of just a few microkelvins. Credit photo/©: Windpassinger group Usage Restrictions This image may only be used in connection with the press release "Quantum physics: Physicists successfully carry out controlled transport of stored light", issued by Johannes Gutenberg University Mainz on October 13, 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.