U.S. Commerce Dept. @CommerceGov
Rockets that launch into space have to be able to push a lot of weight. So how do you measure the thrust of an engine? Find out from @NIST in the next installment of the #HowDoYouMeasureIt series: https://t.co/ETLA7Jt4gD https://t.co/S8k4SfbO2i — PolitiTweet.org