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The majorana experiment spent years electroforming copper on site (bottom of a mineshaft) to remove traces of uranium and other contaminants. If it were brought
by yummypaint 7y ago
The majorana experiment spent years electroforming copper on site (bottom of a mineshaft) to remove traces of uranium and other contaminants. If it were brought to the surface it would get activated by cosmic rays so all the machining also happens underground. I think they finished growing it this year.