On-site Evaluation at Grimsel (IMAGE) Friedrich-Schiller-Universitaet Jena Caption On-site evaluation of sensor data and online nanoparticle measurement. Credit Franz Rinderknecht/KIT Usage Restrictions None 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.