Elena Chung, Samuel Ayham, Ohio State University (image) Ohio State University Share Print E-Mail Caption At a research-scale combustion unit at Ohio State University, engineers are testing a clean coal technology that harnesses the energy of coal chemically, without burning it. Here, doctoral student Elena Chung (left) and master's student Samuel ayham (right) display chunks of coal along with pulverized coal (bottle, center) and the iron oxide beads (bottle, right) that enable the chemical reaction. Credit Photo by Jo McCulty, courtesy of Ohio State University. Usage Restrictions None Share Print E-Mail 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.