zero aberration

  • 41INDE - Les sciences — L’histoire des sciences, au sens où nous l’entendons en Occident, a bénéficié d’apports spécifiques de l’Inde, au moins dans trois domaines: l’astronomie, les mathématiques et les sciences médicales. D’autres disciplines scientifiques, la… …

    Encyclopédie Universelle

  • 42number game — Introduction       any of various puzzles and games that involve aspects of mathematics.       Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… …

    Universalium

  • 43RGB color model — RGB redirects here. For other uses, see RGB (disambiguation). A representation of additive color mixing. Projection of primary color lights on a screen shows secondary colors where two overlap; the combination of all three of red, green, and blue …

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  • 44Electron energy loss spectroscopy — In electron energy loss spectroscopy (EELS) a material is exposed to a beam of electrons with a known, narrow range of kinetic energies. Some of the electrons will undergo inelastic scattering, which means that they lose energy and have their… …

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  • 45Michelson–Morley experiment — Box plots based on data from the Michelson–Morley experiment The Michelson–Morley experiment was performed in 1887 by Albert Michelson and Edward Morley at what is now Case Western Reserve University in Cleveland, Ohio. Its results are generally… …

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  • 46Neurosis (banda) — Para otros usos de este término, véase Neurosis (desambiguación). Neurosis Neurosis en concierto en Seattle, EE.UU., en febrero de 2008. Datos generales …

    Wikipedia Español

  • 47performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …

    Universalium

  • 48Sailing faster than the wind — Devices that are powered by sails (such as sailboats, iceboats and sand yachts) can sail (that is, advance over the surface) faster than the wind.[1] Such devices cannot do this when sailing dead downwind using simple square sails that are set… …

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  • 49Келли, Скотт (музыкант) — Скотт Келли …

    Википедия

  • 50FORME — L’histoire du concept de forme et des théories de la forme est des plus singulières. Nous vivons dans un monde constitué de formes naturelles. Celles ci sont omniprésentes dans notre environnement et dans les représentations que nous nous en… …

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