FYI @NASA_SLS You burn tons of polybutadiene acrylonitrile & Ammonium perchlorate composite Not very enviro-friendly http://ift.tt/1WKWQhH NASA Watch (@NASAWatch) April 22, 2016 Happy #EarthDay! @NASA works hard for our home planet and beyond, including enviro-friendly improvements to #SLS. http://pic.twitter.com/ajUFMW7P4t—...
from NASA Watch http://ift.tt/248xPz4
via IFTTT
沒有留言:
張貼留言