Glass Scintillators (image) Georgia Institute of Technology Caption Pictured here are examples of scintillators produced from molten glass by the researchers. The fluorescence exhibited by the blue scintillators is activated by cerium, while the fluorescence shown by the green scintillator is activated by terbium. The worm-like blue structure is an artifact from the glass-molding process. Credit (Credit: Gary Meek) Usage Restrictions None 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.