Nanoscale Version of the Structure (IMAGE) American Institute of Physics Caption This gold metamaterial nanostructure is a nanoscale version of the structure described by the University of Southampton researchers in Applied Physics Letters, and it exhibits large specular optical activity for oblique incidence illumination with light (rather than specular optical activity for microwaves). Credit Eric Plum, Vassili A. Fedotov, and Nikolay I. Zheludev Usage Restrictions This image may be used only with appropriate caption and credit. 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.