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Touche. I must have been thinking of those glass things that came before transistors and filled a similar purpose then
by Swizec 9y ago
Touche.
I must have been thinking of those glass things that came before transistors and filled a similar purpose then
- jacquesm 9y agoRadio tubes, specifically the Triode (basic amplification tube, a lot like a transistor only not solid state and much higher voltage). Invented in 1904.