Novel Pumps and Valves (image) Saarland University Share Print E-Mail Caption Engineers Philipp Linnebach (left) and Steffen Hau (right) from the research team led by Professor Stefan Seelecke with prototypes of a motorless pump (center) and a smart valve (front right) made from electroactive polymer film. Credit Credit: Oliver Dietze Usage Restrictions Photographs are free to use but may only be published in connection with the subject matter of this press release. If you publish a photograph, the name of the photographer must be included. 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.