Moth Eye-Inspired Omnidirectional Microwave Antenna (IMAGE) Tufts University Caption 3D-printed hemispherical metamaterial can absorb microwaves at select frequencies. Credit Hojat Rezaei Nejad, Tufts University, Nano Lab Usage Restrictions None 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.