Neutrino (IMAGE) University of Adelaide Caption When a neutrino interacts with molecules in the clear Antarctic ice, it produces secondary particles that leave a trace of blue light as they travel through the IceCube detector. Credit Image: Nicolle R. Fuller, IceCube/NSF Usage Restrictions Image only to be used with this story. 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.