Roseanne Warren lab (IMAGE) University of Utah Caption University of Utah engineering researchers Roseanne Warren, Shad Roundy and Tim Kowalchik pictured in Warren’s lab with a pyroelectrochemical (PEC) cell. Credit Brian Maffly, University of Utah Usage Restrictions For editorial use only License Original 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.