This is the article and subsection you’re looking for. IIRC you can buy like 50 feet rolls of it right now, at least on commercial scales, and the runs on the spool are gradually getting longer. An HTSC project is one of my tinkering ideas down the line, if I ever get to it, haha.
Wikipedia doesn’t mention anything about that, got a link for further reading?
This is the article and subsection you’re looking for. IIRC you can buy like 50 feet rolls of it right now, at least on commercial scales, and the runs on the spool are gradually getting longer. An HTSC project is one of my tinkering ideas down the line, if I ever get to it, haha.