Micromotor (IMAGE) University of Warsaw, Faculty of Physics Caption This is photo of the 5.5 mm diameter micromotor rotor made of specially oriented polymer film, on a pencil tip. Credit UW Physics, Piotr Wasylczyk Usage Restrictions The image may only be used with the following caption: Photo of the 5.5 mm diameter micromotor rotor made of specially oriented polymer film, on a pencil tip. (Source: UW Physics, Piotr Wasylczyk) 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.