public-blog.nrc-gateway.gov

wLMpM TIL that the cornerstone of the US Atomic Energy Commission headquarters contains a time capsule. Inside the capsule are (among other items) scraps of linen from the Dead Sea Scrolls, which were authenticated by carbon-dating & included as evidence of atomic science's non-violent benefits to society
wLymW TIL that some "Negative Ion" products may contain varying minerals from volcanic ash and titanium to less familiar ones such as tourmaline, zeolite, germanium and monazite sand. They may also contain naturally occurring radioactive elements, including uranium and thorium.