![Screenshot of Mission Control at NASA, from a video by Fran Blanche](https://i0.wp.com/boingboing.net/wp-content/uploads/2020/11/apollo-big-screen.jpg?fit=1200%2C759&ssl=1)
You've seen the videos of old-school NASA mission-control from the 1960s, with those huge, wall-sized screens — which displayed bright lines showing the flight path of spacecraft, and flight data.
How the heck did they do that? They didn't have wall-sized LCDs back then. — Read the rest