An Experimental and a Theoretical Vesicle (IMAGE) Syracuse University Caption This is an experimental (i.e., synthetic) vesicle, left, and a theoretical vesicle. The dots represent defects, which help turn the vesicle into a kind of miniature clock. Credit Syracuse University 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.