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electromagnet

(Encyclopedia)CE5 Electromagnet electromagnet, device in which magnetism is produced by an electric current. Any electric current produces a magnetic field, but the field near an ordinary straight conductor is ...

electroweak theory

(Encyclopedia)electroweak theory, a unified field theory that describes two of the fundamental forces in nature, electromagnetism (see electromagnetic radiation) and the weak interaction. The electroweak theory der...

Albuquerque

(Encyclopedia)Albuquerque ălˈbəkûrˌkē [key], city (2020 pop. 564,559), seat of Bernalillo co., W central N.Mex., on the upper Rio Grande; inc. 1890. The largest city in the state,...

parity

(Encyclopedia)parity or space parity, in physics, quantity that refers to the relationship between an object or process and the image that it can produce in a mirror. For example, any right-handed object will produ...

toxic waste

(Encyclopedia)toxic waste is waste material, often in chemical form, that can cause death or injury to living creatures. It usually is the product of industry or commerce, but comes also from residential use, agric...

nuclear strategy

(Encyclopedia)nuclear strategy, a policy for the use of nuclear weapons. The first atomic bombs were used in the context of the Allies' World War II policy of strategic bombing. Early in the cold war, U.S. policy w...

Alexander II, czar of Russia

(Encyclopedia)Alexander II, 1818–81, czar of Russia (1855–81), son and successor of Nicholas I. He ascended the throne during the Crimean War (1853–56) and immediately set about negotiating a peace (see Paris...

ElBaradei, Mohamed

(Encyclopedia)ElBaradei, Mohamed ĕlbäräˈdā [key], 1942–, Egyptian lawyer and United Nations diplomat, b. Cairo, grad. Univ. of Cairo (1962), New York Univ. School of Law (1974). He worked (1964–80) in the ...

diffraction

(Encyclopedia)diffraction, bending of waves around the edge of an obstacle. When light strikes an opaque body, for instance, a shadow forms on the side of the body that is shielded from the light source. Ordinarily...

Molotov, Vyacheslav Mikhailovich

(Encyclopedia)Molotov, Vyacheslav Mikhailovich vyĕˌchĭsläfˈ mēkhīˈləvĭch môˈlətəf [key], 1890–1986, Soviet political leader. A Communist from 1906, he changed his name from Skriabin to Molotov [the ...