Heat and Sensing 2 (IMAGE) Linköping University Caption The sensor that can measure changes in body temperature, and react to both sunlight and warm touch. Credit Thor Balkhed Usage Restrictions in connection with news from Linkoping University 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.