An Ancient Roman Shipwreck May Explain the Universe
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A 31 minute SciShow video on how lead ingots which were recovered from a Roman shipwreck enabled the CUORE experiment’s search for neutrinoless double beta decay, and the challenges of ethically sourcing “low background material”.

Has anyone set aside lead (and other materials) as a stockpile of low background material for future generations of physicists? Seems like something The Long Now Foundation might do.