Modern day MacGyver makes vacuum tubes from scratch

[anon27554371]

2022 Russian invasion of Ukraine (Part 2)

And discover that they can’t manufacture or buy about 90% of the components that make it work. And re-engineer a tiny subset of its capabilities with discrete MOSFETs and vacuum tubes. And claim that’s a feature.

Just in time, this instructional video.
Wow, the things one can find on Youtube these days…