Archaeology vs. Physics
December 23, 2013 6:41 AM Subscribe
Conflicting roles for old lead
The use of old lead for shielding increases the sensitivity of our most delicate experiments by orders of magnitude, an increase that is crucial when looking for a reaction that sheds light on new physics. Lead recovered from roofs, old plumbing, and even stained glass windows has been used, but Roman lead from a shipwreck is the best you can find.
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