LNspray (VIDEO) Washington State University This video is under embargo. Please login to access this video. Caption A liquid nitrogen spray developed by Washington State University researchers can remove almost all of simulated moon dust from a space suit, potentially solving what is a significant challenge for future moon-landing astronauts. The sprayer removed more than 98% of moon dust simulant in a vacuum environment with minimal damage to spacesuits, performing better than any techniques that have been investigated previously. Credit WSU Usage Restrictions none License Original 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.