Seven-Octave Ultrabroadband Metamaterial Absorbers (IMAGE) Science China Press Caption Fig. 2. Ultrabroadband metamaterial absorber with seven-octave operating band. Credit ©Science China Press Usage Restrictions Use with credit. 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.