Optical Beam-forming Device (IMAGE) University of Bristol Caption This image shows a new optical beam-forming device making 'twisted light.' Credit Universities of Bristol and Dundee Usage Restrictions The image is for single-use only and should not be archived 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.