Making RAM at Home

https://www.youtube.com/watch?v=h6GWikWlAQA

Straight goods; no kidding. Backyard shed - with some 'toys', of course! :-)
And here's how the Class 100 semiconductor cleanroom inside a backyard shed was done:
https://www.youtube.com/watch?v=HfSO-LCKmrA
This took not only some serious knowledge, but also coin.
I noticed the base of the shed from the outside looked 'interesting'. Like it was placed there wholus bolus for purpose. But that be just me.
Regardless, it's impressive and fascinating. We all knew the basic process, but it's fun to see in detail.