Capillary Flow Experiment (2 of 3) (IMAGE) NASA/Johnson Space Center Caption Rick Mastracchio conducts a Capillary Flow Experiment aboard the International Space Station. Credit NASA Usage Restrictions NASA 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.