incapable of propagation

См. также в других словарях:

• 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

• History of Physics —     History of Physics     † Catholic Encyclopedia ► History of Physics     The subject will be treated under the following heads: I. A Glance at Ancient Physics; II. Science and Early Christian Scholars; III. A Glance at Arabian Physics; IV.… …   Catholic encyclopedia

• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• ONDES (physique) — Le concept d’onde est l’un des plus universels de la physique mathématique. Ce dernier, élaboré au XVIIe siècle, lorsque la division entre mathématiques et physique (et philosophie aussi) n’avait pas le caractère institutionnel que nous lui… …   Encyclopédie Universelle

• Africa — • This name, which is of Phoenician origin, was at first given by the Romans to the territory about the city of Carthage Catholic Encyclopedia. Kevin Knight. 2006. Africa     Africa      …   Catholic encyclopedia

• 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

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• nature, philosophy of — Introduction       the discipline that investigates substantive issues regarding the actual features of nature as a reality. The discussion here is divided into two parts: the philosophy of physics and the philosophy of biology.       In this… …   Universalium

• Chirality (electromagnetism) — Chirality with hands and two enantiomers of a generic amino acid. The term chiral (pronounced /ˈkaɪrəl/) describes an object, especially a molecule, which has or produces a non superimposeable mirror image of itself. In chemistry, such a …   Wikipedia

• CIRCULATOIRE (APPAREIL) — Au cours du développement humain, l’appareil circulatoire est l’un des premiers à s’ébaucher. Ce fait traduit l’importance vitale du flux circulatoire dès le début de l’embryogenèse. Il alimente en effet les tissus en formation et draine les… …   Encyclopédie Universelle

• KABBALAH — This entry is arranged according to the following outline: introduction general notes terms used for kabbalah the historical development of the kabbalah the early beginnings of mysticism and esotericism apocalyptic esotericism and merkabah… …   Encyclopedia of Judaism