Originally Posted by
Mooncrest
I do not but I guess it's heat-related. And a valve.
Valves were what made 'steam' radios work. They were superseded by transistors in the early '60s and they have now been pushed aside by silicon chips.
Y'know those documentaries about the Bombes used to make Enigma decoding work? Did you see those funny shaped glass things like lightbulbs inside the Bombes?
They are valves.