Advancing quantum covert communications (IMAGE) University of Arizona College of Engineering Caption Electrical and computer engineering assistant professor Boulat Bash (right) with graduate students Zihao Gong and Michael Bullock. Credit University of Arizona 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.