associated waves

  • 71Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… …

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  • 72Subtropical Storm Andrea (2007) — Infobox Hurricane Name=Subtropical Storm Andrea Type=Subtropical storm Year=2007 Basin=Atl Image location=Subtropical Storm Andrea (2007).jpg Formed=May 9, 2007 Dissipated=May 11, 2007 1 min winds=50 Pressure=1001 Da Inflated= Fatalities=6… …

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  • 73colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …

    Universalium

  • 74Corona — This article is about the astronomical term. For other uses, see Corona (disambiguation). During a total solar eclipse, the solar corona can be seen with the naked eye. A corona is a type of plasma atmosphere of the Sun or other celestial body,… …

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  • 75Narcolepsy — For other uses, see Narcolepsy (disambiguation). Narcolepsy Classification and external resources ICD 10 G47.4 ICD 9 …

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  • 76star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …

    Universalium

  • 77sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …

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  • 78Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …

    Universalium

  • 79Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …

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  • 80Tsunami — For other uses, see Tsunami (disambiguation) …

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