Chengzhi Shi Transducer Array (image) DOE/Lawrence Berkeley National Laboratory Share Print E-Mail Caption Chengzhi Shi checks the connections between the transducer array and the digital circuit. The experimental setup showed the potential of generating independent channels onto a single frequency to expand acoustic communications underwater. Credit Marilyn Chung/Berkeley Lab Usage Restrictions Editorial use only. 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.