4 ms·

I thought the article would be about Low-background steel [1], which is also an interesting topic. Basically most of the steel in the world is irradiated becaus

I thought the article would be about Low-background steel [1], which is also an interesting topic. Basically most of the steel in the world is irradiated because of the nuclear tests, which makes it not usable for radiation sensitive equipment. To get clean steel, it is extracted from old shipwrecks. [1] https://en.wikipedia.org/wiki/Low-background_steel https://en.wikipedia.org/wiki/Low-background_steel

throw0101a 6y ago
Discussed several times here: * https://news.ycombinator.com/item?id=23886501 https://news.ycombinator.com/item?id=23886501 * https://news.ycombinator.com/item?id=11931747 https://news.ycombinator.com/item?id=11931747 Also articles on shipwrecks, e.g.: * https://news.ycombinator.com/item?id=15617028 https://news.ycombinator.com/item?id=15617028