The novel type of nanomotor (IMAGE) University of Bonn Caption with an RNA polymerase, which pulls the two “handles” together and then releases them again. This generates a pulsing movement. Credit Mathias Centola/University of Bonn Usage Restrictions This image may be used together with the press release. License Original 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.