3 Results for "electric office chair"

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vacuum tubes

Glass Tube Solar Thermionic Converters
Project by Nick Poole
Thermionic energy conversion isn't very efficient (it's also nothing new) but they *are* photovoltaic devices you can build with a torch
- 3.2k
- 24

Usagi Electric (David)
Hacker in Texas
I have an unhealthy obsession with vacuum tubes, but I'm terrified of high voltages. Low voltage tubes it is then!

SouthboundSuarez
Hacker in California
Just a monkey see, monkey do kinda guy. Into ham radio and valve audio. Does anyone do sat/video testing anymore. Nagra3?