Recently I saw a post about Bonsai trees on the front page. Making your own RAM is 100% more relevant to HN than quite a few posts I see on the main page.

You’re not sure if someone building a RAM clean room in a shed is appropriate for HackerNews, literally “news for nerds”? A dictionary purchase may be warranted

If you haven't seen this one, I highly recommend it:

Indistinguishable From Magic: Manufacturing Modern Computer Chips

https://www.youtube.com/watch?v=NGFhc8R_uO4&t=2070s

It's quite old but I think there is no modern version of it.

I've tried posting to HN a few times but it hasn't gained traction for some reason, but I find it absolutely mind blowing.

I think if it's interesting to you then it's worth posting, and letting the voting system do it's thing. I only rarely post because by the time I've seen something it's usually already been posted

Tbh this is exactly the sort of thing I'd come here to see

The graphs towards the end were discharge curves for a single transistor/capacitor cell out of only 16 present, if I understood correctly? So "enough cells to count as memory" and "addressing logic" are definitely future work (it looked like he wanted to characterize what the refresh cycle would have to look like before actually building more.) I was kind of surprised that the "use a microscope as a photolithography projector" approach worked at all, it will be interesting to see how that scales up...