Triboelectric Nanogenerator and Mass Spec (IMAGE) Georgia Institute of Technology Caption Anyin Li, a postdoctoral fellow in the Georgia Tech School of Chemistry and Biochemistry, demonstrates the use of a sliding triboelectric nanogenerator to produce electrical charges for the mass spectrometer device shown next to him. Credit Credit: Rob Felt, Georgia Tech Usage Restrictions None 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.