Oara Neumann and Naomi Halas, Rice University (image) Rice University Share Print E-Mail Caption Rice University graduate student Oara Neumann, left, and scientist Naomi Halas are co-authors of new research on a highly efficient method of turning sunlight into heat. They expect their technology to have an initial impact as an ultra-small-scale system to treat human waste in developing nations without sewer systems or electricity. Credit Jeff Fitlow/Rice 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.