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Here is a WILD particle physics fact: Steel that was made pre-atomic-bombs has a different makeup than steel made post-bombs since the air is a lil more radioactive now, so for some really sensitive physics detectors we literally need to use SALVAGED SUNKEN WWII BOAT PARTS
As some have pointed out: the "best" source of low-background steel is actually the scuttled German WWI fleet at Scapa Flow (because these boats aren't considered war graves). However, we do also use steel from decommed WWII ships, incl. Astoria III, Roanoke V, and the Topeka!
Cool!!! Would you be willing to take a completely unrelated particle physics question that's been bugging me and that I couldn't figure out from wikipedia? (I'm not a physicist.)
Sure, happy to help! Can't promise I'll be able to answer, but I might be able to! (Also Wikipedia's physics stuff is pretty consistently awful, tbh)
what in the absolute postmodern fuck
RIGHT? We also measure how intense our particle beams are using detectors made out of DIAMONDS
Well actually they can make steel without the additional radioactivity but it's cheaper to dig up sunken ships and use those
Correct!
Hey do you have any citations or proof of this? Have heard it before and think it’s super fascinating but have also been told it’s an urban legend. 
Why couldn't we just make steel in an artificial nitrogen atmosphere or something like that where the radioactive contaminants in the air have been removed?
You can! But it's super expensive to get rid of the contamination, and given the fact that the market for it is super small, it's not really worth it for companies to produce. Turns out it's actually cheaper for us to salvage old boats.
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