Fiber Battery (IMAGE) Massachusetts Institute of Technology Caption This submarine drone is powered by a 20-meter-long fiber battery that is wrapped on its surface. Credit Courtesy of Tural Khudiyev, Jung Tae Lee, Benjamin Grena, Yoel Fink et al Usage Restrictions Images are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images. 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.