Asters Illustrate Fluid Flows (image) California Institute of Technology Share Print E-Mail Caption This video illustrates how the formation of asters (white) can excite very small-scale fluid flows (black). Normally, fluids on these small scales are difficult to manipulate and characterize. Credit Caltech Usage Restrictions Must use image credit Share Print E-Mail 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.