Thermal emission interface (IMAGE) Penn State Caption Researchers developed a novel method to control thermal emission at a designed interface. Pictured here as a wavy red line, the interface can be designed to any shape. Credit Provided by Coskun Kocabas/The University of Manchester and Sahin Ozdemir/Penn State Usage Restrictions Must include credit 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.