Collar with Neutrino Detector 2 (IMAGE) University of Chicago Caption Juan Collar, a professor in physics at the University of Chicago, with a prototype of the world's smallest neutrino detector used to observe for the first time an elusive interaction known as coherent elastic neutrino nucleus scattering. Credit Jean Lachat/University of Chicago Usage Restrictions With credit 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.