Cyclotron Radiation Emission Spectroscopy (CRES) (IMAGE) DOE/Pacific Northwest National Laboratory Caption Cyclotron Radiation Emission Spectroscopy (CRES), seen here, is the key to a totally new method that aims to pin down the mass of the elusive neutrino. Credit Alec Lindman, the Project 8 team Usage Restrictions No restrictions. License Public Domain 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.