atomic physicist

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• Atomic Spies — and Atom Spies are terms that refer to various people in the United States, Great Britain, and Canada who are thought to have illicitly given information about nuclear weapons production or design to the Soviet Union during World War II and the… …   Wikipedia

• Atomic theory — Atomic model redirects here. For the unrelated term in mathematical logic, see Atomic model (mathematical logic). This article is about the historical models of the atom. For a history of the study of how atoms combine to form molecules, see… …   Wikipedia

• Atomic physics — (or atom physics) is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. It is primarily concerned with the arrangement of electrons around the nucleus and the processes by which these arrangements… …   Wikipedia

• Atomic layer deposition — (ALD) is a gas phase chemical process used to create extremely thin coatings. The majority of ALD reactions use two chemicals, typically called s. These precursors react with a surface one at a time in a sequential manner. By exposing the… …   Wikipedia

• Atomic orbital — The shapes of the first five atomic orbitals: 1s, 2s, 2px, 2py, and 2pz. The colors show the wave function phase. These are graphs of ψ(x,y,z) functions which depend on the coordinates of one electron. To see the elongated shape of ψ(x,y,z)2… …   Wikipedia

• atomic physics — Scientific study of the structure of the atom, its energy states, and its interaction with other particles and fields. The modern understanding of the atom is that it consists of a heavy nucleus of positive charge surrounded by a cloud of light,… …   Universalium

• Atomic bombings of Hiroshima and Nagasaki — Part of the Pacific War, World War II …   Wikipedia

• atomic theory — 1. Physics, Chem. any of several theories describing the structure, behavior, and other properties of the atom and its component parts. 2. Philos. atomism (def. 1). [1840 50] * * * ▪ physics       ancient philosophical speculation that all things …   Universalium

• Atomic Age — This article is about the historical era. For the comic book miniseries, see Atomic Age (comics). An early nuclear power plant that used atomic energy to generate electricity. The Atomic Age, also known as the Atomic Era, is a phrase typically… …   Wikipedia

• atomic bomb — 1. a bomb whose potency is derived from nuclear fission of atoms of fissionable material with the consequent conversion of part of their mass into energy. 2. a bomb whose explosive force comes from a chain reaction based on nuclear fission in U… …   Universalium

• Physicist — A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub atomic particles of which all ordinary matter is made (particle… …   Wikipedia