radiation laws

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• Laws of science — The laws of science are various established scientific laws, or physical laws as they are sometimes called, that are considered universal and invariable facts of the physical world. Laws of science may, however, be disproved if new facts or… …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• Mathematical descriptions of physical laws — For worded descriptions and criteria of physical laws, see Physical law. For the nomenclature used see Physical quantity and Defining equation (physics). Physical laws are often summarized by a single equation, or at least a small set of… …   Wikipedia

• Hawking radiation — is a thermal radiation with a black body spectrum predicted to be emitted by black holes due to quantum effects. It is named after the physicist Stephen Hawking, who provided a theoretical argument for its existence in 1974, and sometimes also… …   Wikipedia

• National Commission for Radiation Protection of Ukraine — NCRPU logo The National Commission for Radiation Protection of Ukraine (NCRPU) is a permanent independent collegial supreme scientific expert advisory and consultative body on matters of radiation protection and radiation safety of Ukraine. The… …   Wikipedia

• Fick's laws of diffusion — For the technique of measuring cardiac output, see Fick principle. Molecular diffusion from a microscopic and macroscopic point of view. Initially, there are solute molecules on the left side of a barrier (purple line) and none on the right. The… …   Wikipedia

• Electromagnetic radiation — Electromagnetism Electricity · …   Wikipedia

• Three Laws of Robotics — In science fiction, the Three Laws of Robotics are a set of three rules written by Isaac Asimov, which almost all positronic robots appearing in his fiction must obey. Introduced in his 1942 short story Runaround , although foreshadowed in a few… …   Wikipedia

• Kirchhoff's law of thermal radiation — See also Kirchhoff s laws for other laws named after Kirchhoff .In thermodynamics, Kirchhoff s law of thermal radiation, or Kirchhoff s law for short, is a general statement equating emission and absorption in heated objects, proposed by Gustav… …   Wikipedia

• All About Radiation — is a book published by the Church of Scientology. Its first printing was from HASI (Hubbard Association of Scientologists International) by way of the Speedwell Printing Company, Kent, England, 1957. Later editions were published by the Church s… …   Wikipedia