COUPP Mike Crisler (IMAGE) DOE/Fermi National Accelerator Laboratory Caption Physicist Mike Crisler inspects the bubble chamber of the Chicagoland Observatory for Underground Particle Physics experiment. Credit Fermilab Usage Restrictions None 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.