Nano-Galvanic Aluminum-Based Powder (IMAGE) U.S. Army Research Laboratory Caption Army scientists and engineers found that a nano-galvanic aluminum-based powder they developed produces hydrogen when added to water or any liquid containing water. Credit Photo Credit: David McNally, ARL Public Affairs 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.