Close up of the device and sensors (IMAGE) University of California - San Diego Caption The screen-printed, flexible sensors are attached to the earbuds on a flexible, stamp-like surface. Credit Erik Jepsen/University of California San Diego Usage Restrictions Please credit 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.