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| Anode An anode is an electrode through which electric current flows into a polarized electrical device. Mnemonic: ACID (Anode Current Into Device). Anode
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| Aurochs The aurochs or urus (Bos taurus primigenius) was a very large type of cattle that was prevalent in Europe until its extinction in 1627. The animal's original scientific name, Bos primigenius, was meant as a Latin translation of the German term Auerochse or Urochs, which was (possibly incorrectly) interpreted as literally meaning "primeval ox" or "proto-ox". Aurochs
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| Aurochs Talk:Aurochs
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| Cathode ray tube The cathode ray tube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to form images in the form of light emitted from the fluorescent screen. The image may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets and others. Cathode_ray_tube
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| Cathode ray Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes, i.e. Cathode_ray
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| Cathode A cathode is an electrode through which (positive) electric current flows out of a polarized electrical device. Mnemonic: CCD (Cathode Current Departs). Cathode
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| Crookes radiometer The Crookes radiometer, also known as the light mill, consists of an airtight glass bulb, containing a partial vacuum. Inside are a set of vanes which are mounted on a spindle. Crookes_radiometer
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| Catenary In physics and geometry, the catenary is the theoretical shape of a hanging flexible chain or cable when supported at its ends and acted upon by a uniform gravitational force (its own weight) and in equilibrium. The curve has a U shape that is similar in appearance to the parabola, though it is a different curve. Catenary
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| Dada Dada or Dadaism is a cultural movement that began in neutral Zürich, Switzerland, during World War I and peaked from 1916 to 1920. The movement primarily involved visual arts, literature (poetry, art manifestoes, art theory), theatre, and graphic design, and concentrated its anti war politic through a rejection of the prevailing standards in art through anti-art cultural works. Dada
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| Dolmen A dolmen (also known as cromlech, anta, Hünengrab, Hunebed, Goindol, quoit, and portal dolmen) is a type of single-chamber megalithic tomb, usually consisting of three or more upright stones supporting a large flat horizontal capstone (table). Most date from the early Neolithic period (4000 to 3000 BC). Dolmen
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| Easter Easter (Greek: Πάσχα, Pascha or Pasxa) is the most important religious feast in the Christian liturgical year.Anthony Aveni, "The Easter/Passover Season: Connecting Time's Broken Circle," The Book of the Year: A Brief History of Our Seasonal Holidays (Oxford: Oxford University Press, 2004), 64-78. Easter
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| Frisian languages |region= Frisian_languages
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| Transport in the Netherlands ==Rail transport== Transport_in_the_Netherlands
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| Periodic table/Archive 1 Talk:Periodic_table/Archive_1
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| William Crookes | birth_place = London, England William_Crookes
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| T. S. Eliot | birthplace = St. Louis, Missouri, United States T._S._Eliot
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| Vacuum tube This article is about the electronic device, not an evacuated pipe used for experiments in free-fall. Vacuum_tube
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| X-ray X-radiation (composed of X-rays) is a form of electromagnetic radiation. X-rays have a wavelength in the range of 10 to 0. X-ray
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| Clara Schumann Clara Josephine Wieck Schumann (September 13, 1819 – May 20, 1896) was a German musician, one of the most distinguished pianists of the Romantic era, as well as a composer. Her prestige — she became known as "the high priestess of music" — exerted over a 61-year concert career, changed the format and repertoire of the piano concert and the tastes of the listening public. Clara_Schumann
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| Otto Neurath Vienna, Austro-Hungarian Empire (now in Austria) Otto_Neurath
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