metabox (IMAGE) Penn State Caption Researchers at Penn State and Sandia National Laboratories optimized and fabricated this design for a metamaterial building block that could enable more efficient optical devices. Credit Lei Kang Usage Restrictions non commercial 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.