I've been to a 1950s decomissioned nuclear research reactor in Italy. It's still being monitored even if it's been turned off for years; with the addition of a

I've been to a 1950s decomissioned nuclear research reactor in Italy. It's still being monitored even if it's been turned off for years; with the addition of a few computers in a corner, the control room still looks pretty much like that. Printers instead of monitors, small bulbs instead of LEDs. At some point I stepped too closed to one of the desks, and an actual HORN went off.