Quote:
Originally Posted by Bob.Kerns
Ah, I could go on for hours about old-time hardware that you young folks would just dismiss as grandpa's old-time tall tales.
Relays that had moving parts, and copper sleeves around the coils to make them unlatch after a time delay.
Memory circuits made out of a long wire that is twisted at one end, and read when the twist reaches the other end.
Vacuum tube ROM's using a shadow mask read with an electron beam steered with electric fields.
Displays using electron beams swept back-and-forth with magnetic fields hitting a phosphor behind a thick glass front. Man, those things were heavy!
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I actually knew what all of those were, except the vacuum tube ROM. Interesting stuff. Maybe someone will replicate it in Minecraft 
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