Wearable FBG sensor (IMAGE) Optica Caption Researchers have developed a wearable PDMS sensor that uses a FBG to sense movements. The sensors could be used to monitor wrist, finger or even facial movements. Credit Kun Xiao, Beijing Normal University in China Usage Restrictions None 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.