Nanodrumming (IMAGE) California Institute of Technology Caption 4-D electron microscopy used to visualize the nanodrumming phenomenon. Credit Nano Letters; images and diagram produced at Caltech. 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.