Space is cool, in all meanings of the word. Not only is it wondrous, vast, and fascinating, it can also be a cold place. It's also a very useful place to put things. This episode we are looking at the first practical use of space: communication satellites.   Selected Source:   https://archive.org/details/BigBounc1960 - The Big Bounce   https://archive.org/details/dtic-ada-141865-ieee-centenial-journal-1984-ocr/page/n67/mode/2up - A Signal Corp Space Opera   https://history.nasa.gov/SP-4308/ch6.htm - The Odyssey of Project Echo