A New Robot Sonar Prototype (IMAGE) Acoustical Society of America Caption A new robot sonar prototype is inspired by the movable ears and noses that make up the echolocation systems of horseshoe bats. Credit Philip Caspers/Virginia Tech 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.