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1 physics phys·ics nsg
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H-b index — The h b index is an extension of the h index suggested in 2005 by Jorge E. Hirsch of the University of California, San Diego to quantify the scientific productivity of physicists and other scientists based on their publication record. The h b… … Wikipedia
PSR J0737-3039 — Double Pulsars Artist s impression. The objects are not shown to scale: if they were depicted as the size of marbles, they would be 225 m (750 ft) apart. See also MPEG animation (2.4 … Wikipedia
Planck's law — For a general introduction, see black body. In physics, Planck s law describes the spectral radiance of electromagnetic radiation at all wavelengths from a black body at temperature T. As a function of frequency u, Planck s law is written as:… … Wikipedia
Lithium tantalate — Chembox new Name = Lithium tantalate ImageFile = ImageName = IUPACName = Lithium tantalate OtherNames = Lithium Metatantalate Section1 = Chembox Identifiers CASNo = 12031 66 2 RTECS = Section2 = Chembox Properties Formula = LiTaO3 MolarMass = ?… … Wikipedia
Ultraviolet catastrophe — The ultraviolet catastrophe, also called the Rayleigh Jeans catastrophe, was a prediction of early 20th century classical physics that an ideal black body at thermal equilibrium will emit radiation with infinite power.The term ultraviolet… … Wikipedia
Hydrino theory — was developed by physician Randell L. Mills as a new model of the hydrogen atom that posits the existence of orbital states for the electron of a hydrogen atom with enhanced binding energy compared to the conventional ground state of… … Wikipedia
Bose–Einstein condensate — A Bose–Einstein condensate (BEC) is a state of matter of bosons confined in an external potential and cooled to temperatures very near to absolute zero (val|0|u=K, val| 273.15|u=°C, or val| 459.67|u=°F ). Under such supercooled conditions, a… … Wikipedia
Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… … Wikipedia
Axion — Infobox Particle name = Axion status = Hypothetical interaction = Gravity, Electromagnetic theorized = 1977, Peccei and Quinn mass = 10−6 to 1 eV/c2 electric charge = 0 spin = 0The axion is a hypothetical elementary particle postulated by Peccei… … Wikipedia
List of atheists (science and technology) — cience and technology thumb|right|100px|Dirac * Peter Atkins (1940 ndash;): English chemist, Professor of chemistry at Lincoln College, Oxford in England. [When asked by Rod Liddle in the documentary The Trouble with Atheism Give me your views on … Wikipedia
Galaxy — This article is about the astronomical structure. For other uses, see Galaxy (disambiguation). NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light years in diameter and approximately 60 million light… … Wikipedia
