contrivances

  • 61Wellhole — Well hole , n. [1913 Webster] 1. (Arch.) (a) The open space in a floor, to accommodate a staircase. (b) The open space left beyond the ends of the steps of a staircase. [1913 Webster] 2. A cavity which receives a counterbalancing weight in… …

    The Collaborative International Dictionary of English

  • 62riffle — I. verb (riffled; riffling) Etymology: 2riffle Date: 1754 intransitive verb 1. to form, flow over, or move in riffles 2. to flip cursorily ; thumb < riffle through the catalog > …

    New Collegiate Dictionary

  • 63Ecology — For other uses, see Ecology (disambiguation). Ecology …

    Wikipedia

  • 64Known Space — is the fictional setting of several science fiction novels and short stories written by author Larry Niven. It has also in part been used as a shared universe in the Man Kzin Wars spin off anthologies sub series.The epithet Known Space is an in&#8230; …

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  • 65Nathaniel Hawthorne — in the 1860s …

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  • 66Novel — For other uses, see Novel (disambiguation). Not to be confused with Novell. New novels in a Oldenburg bookshop, February 2009 …

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  • 67Scientific Revolution — The period which many historians of science call the Scientific Revolution can be roughly dated as having begun in 1543, the year in which Nicolaus Copernicus published his De revolutionibus orbium coelestium (On the Revolutions of the Heavenly&#8230; …

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  • 68Reductionism — Descartes held that non human animals could be reductively explained as automata De homine, 1662. Reductionism can mean either (a) an approach to understanding the nature of complex things by reducing them to the interactions of their parts, or&#8230; …

    Wikipedia

  • 69Reduction (philosophy) — Reduction is the process by which one object, property, concept, theory, etc., is shown to be explicable in terms of another, higher level, concept, object, property, etc. For example, we say that chemical properties such as the boiling point of&#8230; …

    Wikipedia

  • 70Machine — This article is about devices that perform tasks. For other uses, see Machine (disambiguation). A machine manages power to accomplish a task, examples include, a mechanical system, a computing system, an electronic system, and a molecular machine …

    Wikipedia