Sensor (image) University of California - Riverside Caption Digital images (top) and schematic illustration (bottom) show the color change of the sensor film after experiencing different amounts of pressure. Credit Yin Lab, UC Riverside. Usage Restrictions None 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.