ACE Experiment (IMAGE) NASA/Johnson Space Center Caption The gel structure, like that under investigation in the Advanced Colloids Experiment, is often dominated by fragile strands composed of many particles in a cross-section. Credit NASA 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.