Self-healing Sensor in Action (IMAGE) North Carolina State University Caption The top image shows the polymer filament connecting the glass fibers in the sensor. The middle image shows where the filament has snapped off. The bottom image shows where the resin has rushed into the gap, been exposed to UV light and reconnected the filament -- effectively repairing itself. Credit Dr. Kara Peters, North Carolina State University Usage Restrictions Image credit must be given. 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.