NASA's Highly Porous, Sprayable Coating (IMAGE) NASA/Goddard Space Flight Center Caption This is a close-up view of the highly porous, sprayable coating that Goddard technologists created to attract and then trap outgassed contaminants that harm spacecraft components. 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.