Ren-Mao (IMAGE) University of Houston Caption Zhifeng Ren, right, and Jun Mao of the University of Houston are among the researchers reporting a new thermoelectric material that works at room temperature. Credit University of Houston 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.