Binary Berkeley (image) DOE/Lawrence Berkeley National Laboratory Share Print E-Mail Caption Binary data representing the word "Berkeley" is converted by the digital circuit to information encoded in independent channels with different orbital angular momentum. The transducer array sends the information via a single acoustic beam with different patterns. The colors in the helical wavefront shows different acoustic phases. Credit Chengzhi Shi/Berkeley Lab and UC Berkeley 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.