Anit Giri, US Army Research Laboratory (IMAGE) TechLink Caption Dr. Anit Giri, a physicist with the US Army Research Laboratory, observes a sample of a unique aluminum nanomaterial powder that reacts with water to produce hydrogen. Credit David McNally/Army Research Laboratory 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.