PULSAR overview (IMAGE) The University of Hong Kong Caption The overview of PULSAR, showing its main structure, extended sensor field of view, and autonomous navigation flight in a wood environment. Credit The University of Hong Kong Usage Restrictions N/A License Original 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.