AuraRing System (IMAGE) University of Washington Caption Researchers at the University of Washington have created AuraRing, a ring (foreground) and wristband (background) combination that can detect the precise location of someone's index finger -- and continuously track hand movements. Credit Dennis Wise/University of Washington Usage Restrictions For reuse with appropriate credit. 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.