Laser Spectrometer (IMAGE) University of Arizona Caption Andrei Sanov and his doctoral student Andrew Dixon redirect laser from the Nd: yittrium aluminum garnet laser and into the Negative Ion Photo Electron Imaging Spectrometer, the custom-made instrument the team used to isolate and document the elusive ethylenedione. Undergraduate Tian Xue stayed close to the laser's console, making sure everything was working properly. Credit John de Dios/UANews Usage Restrictions Usage only in conjunction with reporting or reposting of this news release. Please indicate proper image 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.