Manta Ray Filter (IMAGE) Massachusetts Institute of Technology Caption Engineers fabricated a simple water filter modeled after the mobula ray’s plankton-filtering features. Pictured are pieces of the filter. Credit Jennifer Chu Usage Restrictions 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.