Bat in Flight (IMAGE) Johns Hopkins University Caption A bat fitted with wireless brain activity recording equipment flies in a room equipped with high-speed cameras and an array of microphones to pick up echolocation calls. Credit Dave Schmelick and Len Turner/Johns Hopkins University 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.