CROCUS and ATMOS instrumentations (IMAGE) DOE/Argonne National Laboratory Caption Researchers Matt Tuftedal and Joe O’Brien install and test instruments at the Argonne Testbed for Multiscale Observational Science (ATMOS) before deploying them in Chicago. Credit (Image by Scott Collis.) Usage Restrictions none 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.