It’s also worth remembering that the americium in your smoke detector came from plutonium: it’s a natural decay product of it, although the stuff used in the US has the plutonium removed.

Since the first nuclear explosion in history during the Trinity test in 1945, nuclear weapons have significantly shaped the ...

The collected plutonium was to be reused Plutonium is ... She added, "These materials are based on those we find in nature - natural minerals, that we know have contained uranium for billions ...