Weeping ceramic material phenomenon (VIDEO) University of Minnesota This video is under embargo. Please login to access this video. Caption This video shows a sample that has a composition tuned to have excellent compatibility between phases, but poor compatibility at grain boundaries. It gradually falls apart at the grain boundaries on passing through phase transformation. A phenomenon the authors call “weeping.” Credit Jascha Rohmer, Kiel University Usage Restrictions For use with proper credit License Original 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.