Quantum Metrology (IMAGE) University of Arizona College of Engineering Caption University of Arizona engineers have demonstrated how quantum capabilities could improve functions like GPS, medical imaging, astronomy observation and more. Credit University of Arizona College of Engineering 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.