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Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/10/2010
Edwin McMillan shared the 1951 Nobel Prize in Chemistry with Glenn Seaborg. McMillan discovered element 93, or neptunium, in 1940 while working on the world's largest cyclotron at the Lawrence Livermore National Laboratory. Seaborg's discovery of element 94, or plutonium, was based on McMillan's
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
7/1/2008
The family fallout shelter represents the public policy assumptions of the atomic age, namely, that with enough preparation, the American family and with it the nation's social and political fabric would survive a nuclear attack. This free-standing, double-hulled steel shelter was installed benea
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