MIT Flexible Sensor (1) (IMAGE) Massachusetts Institute of Technology Caption A new flexible piezoelectric sensor is 2 by 2.5 centimeters and can be rolled up and swallowed. "For the first time, we showed that a flexible, piezoelectric device can stay in the stomach up to two days without any electrical or mechanical degradation," assistant professor Canan Dagdeviren, left, says. Dagdeviren is next to researcher Giovanni Traverso. Credit Courtesy of the researchers Usage Restrictions Images for download are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images. 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.