Hacker News new | ask | show | jobs
by throwawaymaths 820 days ago
Isn't all high grade silicon derived from one place in the US?
1 comments
kurthr 820 days ago
Spruce Pine - https://en.wikipedia.org/wiki/Spruce_Pine_Mining_District

It's the purest source, but lots of cheap PV poly is made from other stuff.

link