Solar-Powered Antibiotic Filters (IMAGE) University of Cincinnati Caption These spheres represent solar-powered antibotic filters. Each sphere is smaller than the diamter of a human hair. One day, a collection of such filters could float downstream from urban or farming areas to capture harmful compounds in water. Credit David Wendell, University of Cincinnati Usage Restrictions None 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.