Barriers catch large droplets (VIDEO) DOE/Sandia National Laboratories This video is under embargo. Please login to access this video. Caption Scientists at Sandia National Laboratories are using high-performance computers to simulate how liquid droplets expelled by coughs react to different environments, including a plexiglass barrier. Credit Video by Sandia National Laboratories Usage Restrictions With credit 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.