Polymers Powered by Water (1 of 6) (video) American Association for the Advancement of Science Share Print E-Mail Loading video... Caption A m-thick PEE-PPy film is flipping and navigating over a 30°C moist paper. The transparent film labeled "PE" is a polyethylene film. The black film beside the PE film is a m-thick PPy film made from IPA/BFEE (7:3) electrolyte without PEE. This video relates to a paper that appeared in Jan. 11, 2013, issue of Science, published by AAAS. The paper, by M. Ma at Massachusetts Institute of Technology in Cambridge, MA, and colleagues was titled, "Bio-Inspired Polymer Composite Actuator and Generator Driven by Water Gradients." Credit [Video courtesy of Dr. Mingming Ma] Usage Restrictions Please cite the owner of the video when publishing. This video may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. 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.