Colloidal Gel (IMAGE) NASA/Johnson Space Center Caption A colloidal gel coarsens when its temperature is increased. Credit Stefano Buzzaccaro, Soft Matter Lab at Politecnico di Milano 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.