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nuclear physics

(Encyclopedia)nuclear physics, study of the components, structure, and behavior of the nucleus of the atom. It is especially concerned with the nature of matter and with nuclear energy. ...

nuclear reactor

(Encyclopedia)CE5 Power reactor system nuclear reactor, device for producing controlled release of nuclear energy. Reactors can be used for research or for power production. A research reactor is designed to pr...

nuclear waste

(Encyclopedia)nuclear waste: see radioactive waste. ...

nuclear winter

(Encyclopedia)nuclear winter, theory holding that the smoke and dust produced by a large nuclear war would result in a prolonged period of cold on the earth. The earliest version of the theory, which was put forwar...

Myrdal, Alva

(Encyclopedia)Myrdal, Alva älˈvä mĭrˈdäl, Swed. mürˈdäl [key], 1902–86, Swedish sociologist, diplomat, and political leader. As a sociologist in the 1930s, she initiated a national program establishing s...

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