Wearable health sensor (IMAGE) University of Massachusetts Amherst Caption For their pilot project, the researchers 3-D printed wristbands to house the mobile sensor. Credit UMass Amherst 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.