Glass Cylinder with Carbon Nanotubes (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Dr. Stephanie Hoeppener from Jena University holds a glass cylinder with carbon nanotubes for atomic force microscopy. Credit Jan-Peter Kasper/University Jena 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.