Pezio Star (IMAGE) Princeton University, Engineering School Caption Pezio electric nanostructures will provide a clean alternative energy source. The crystal structures in this image were formed when the material was placed under high temperature and pressure. Credit Nan Yao, Gerald Poirier, Shiyou Xu PRISM imaging and Analysis Center, Princeton Art of Science Competition. Usage Restrictions Credit both the researcher(s) and the Princeton University Art of Science Competition. For journalistic uses only. 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.