NRL Microbial Electrochemical Reactors (IMAGE) TechLink Caption Microbial electrochemical reactors are being studied by scientists at the U.S. Naval Research Laboratory in Washington, D.C. These specific reactors are being used to study microbial diodes which may be part of living electrical circuits. Credit Jonathan Steffen/Navy 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.