Metamaterial-based Field Rotator for Sound (image) American Institute of Physics Share Print E-Mail Caption This is a 3-D schematic of an designed acoustic field rotator, described in the journal Applied Physics Letters. Credit J.Cheng/Nanjing University Usage Restrictions This image may be used only with appropriate caption and credit. Share Print E-Mail 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.