Browse Items (11 total)

Following the conclusion of World War II, American citizens were filled with a sense of national pride and moral weightiness. In this photograph, similar feelings are evoked in the dramatic framing of the three Boy Scouts with their wind-swept United…

Designed and built in ten months, X-10 was a graphite reactor that used neutrons emitted in the fission of uranium-235 to convert uranium-238 into a new element: plutonium-239, the highly radioactive substance that was the key to the development of…