Science Friday, 19 August 2016
http://www.sciencefriday.com/segments/the-race-to-build-a-smaller-rocket/
There’s a new space race afoot. You may not have heard of it because the competition is so much smaller than the one that took place between the United States and the Soviet Union in the 1960s. And this time around, NASA isn’t even a contestant. Today’s space race is playing out among private companies competing to build tiny rockets.