Lightweight, Wearable Hydration Sensor Technology (IMAGE) North Carolina State University Caption The hydration sensors developed at North Carolina State University consist of two electrodes made of an elastic polymer composite that contains conductive silver nanowires. Credit Shanshan Yao Usage Restrictions Photo credit must be provided. 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.