Nanoscale Rotor Made from DNA (image) Technical University of Munich (TUM) Share Print E-Mail Caption Three multilayer DNA components make up this rotary mechanism. The parts join together with a tight fit and leave just 2 nanometers of play around the axle, allowing the arm to swing but not wobble. Credit Dietz Lab/TUM Usage Restrictions This image may be freely used in news coverage of research at TUM. Share Print E-Mail 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.