NASA was formed in 1958 to replace the NACA (National Advisory Committee for Aeronautics), and introduced the concept with a short film -back when even the directors pronounced it “En Aye Ess Aye.”
Since then, NASA has produced many such films, TV shows, and videos to bring space close to all of us. Here’s a compressed look at them. -via Boing Boing http://boingboing.net/2016/09/16/enjoy-50-years-of-nasa-footage.html