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> What is the spatial frequency response of CRT vs raster? What resolution raster do you need to be “good enough” and what kind of interpolation/LPF should be used?

You know, "Building a CRT from Scratch" would be a great standalone educational series. It could hit on everything from making glass, to how to pump air out of something, to coil winding/transformers, to phosphor chemistry, as well as the RF electronics stuff.

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Or, how to make a pencil.

https://www.youtube.com/watch?v=IYO3tOqDISE

(not the same guy at all, but your comment reminded me of this. It's really about specialization and the interdependency of everything in the economy)

Not the same thing, but you reminded me of this since it's in a similar vein. Ben Eater went through the entire process of building a VGA "video card." Anyone with a basic understanding of logic circuits has enough background to understand it. Worth a watch. Part 1: https://www.youtube.com/watch?v=l7rce6IQDWs Part 2: https://www.youtube.com/watch?v=uqY3FMuMuRo

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