Vacuum Chamber (IMAGE) Johannes Gutenberg Universitaet Mainz Caption View of the vacuum chamber containing the atom trap (center). Credit photo/©: AG QUANTUM Usage Restrictions This image may only be used in connection with the press release "Physicists build engine consisting of one Atom," issued by Johannes Gutenberg University Mainz on April 15, 2016. 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.