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Zadar
(Encyclopedia)Zadar zäˈdär [key], Ital. Zara, city (2011 pop. 75,062), W Croatia, on the Dalmatian coast of the Adriatic Sea. A seaport and a tourist center, it has industries that produce liqueur, processed fis...baryon
(Encyclopedia)baryon bârˈēŏnˌ [key] [Gr.,=heavy], class of elementary particles that includes the proton, the neutron, and a large number of unstable, heavier particles, known as hyperons. From a technical poi...lepton
(Encyclopedia)lepton lĕpˈtŏnˌ [key] [Gr.,=light (i.e., lightweight)], class of elementary particles that includes the electron and its antiparticle, the muon and its antiparticle, the tau and its antiparticle, ...Pirandello, Luigi
(Encyclopedia)Pirandello, Luigi lwēˈjē pērändĕlˈlō [key], 1867–1936, Italian author, b. Sicily. One of the great figures in 20th-century European theater, Pirandello was awarded the 1934 Nobel Prize in Li...condensate
(Encyclopedia)condensate, matter in the form of a gas of atoms, molecules, or elementary particles that have been so chilled that their motion is virtually halted and as a consequence they lose their separate ident...gamma-ray astronomy
(Encyclopedia)gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength and hence more energetic than X rays (see...minimalism
(Encyclopedia)minimalism, schools of contemporary art and music, with their origins in the 1960s, that have emphasized simplicity and objectivity. In music, the minimalist movement was, like minimal art, a react...nuclear energy
(Encyclopedia)CE5 Graph of binding energy per nucleon as a function of mass number nuclear energy, the energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity. In these pr...nucleus, in physics
(Encyclopedia)nucleus, in physics, the extremely dense central core of an atom. Following the discovery of radioactivity by A. H. Becquerel in 1896, Ernest Rutherford identified two types of radiation given off b...atomic bomb
(Encyclopedia)atomic bomb or A-bomb, weapon deriving its explosive force from the release of nuclear energy through the fission (splitting) of heavy atomic nuclei. The first atomic bomb was produced at the Los Alam...Browse by Subject
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