How the huge displays at NASA’s mission control worked

This article came to our attention first via Boing Boing

Screenshot of Mission Control at NASA, from a video by Fran Blanche
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 ...

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