DIY Vacuum Tubes

[gtsnexp]

https://www.youtube.com/c/SignalDitch

[gtsnexp]

I found this cool and smart channel going through all the intricacies of vacuum tube fabrication and the physical principles behind their function. Also great tips and thoughts on high-vacuum technology and glass blowing. Superb.

[marginalia_nu]

This is also a nice website that has DIY electronics:

https://simplifier.neocities.org/

[gtsnexp → marginalia_nu]

Interesting. The 'about' tab is particularly poetic.