Reminded me of this post http://news.ycombinator.com/item?id=2646501 http://news.ycombinator.com/item?id=2646501 about a guy who created a knife from scratch, s

Reminded me of this post http://news.ycombinator.com/item?id=2646501 http://news.ycombinator.com/item?id=2646501 about a guy who created a knife from scratch, starting with the construction of this own smelter.