Illustration (IMAGE) University of Bonn Caption Illustration of the experimental apparatus, with in the center the vacuum cell and the objective lens embedded within. Two of the four laser beams are drawn (not to scale). Inset: fluorescence image of two atoms. Credit © Stefan Brakhane / University of Bonn Usage Restrictions Please use this image only in connection with the press release. License Original 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.