2 Steps Gel-on-Gel Formation (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption This shows two colloids interacting over time in relation to temperature. Credit Giuseppe Foffi, EPFL Usage Restrictions Please attribute copyright to EPFL 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.