Outward+and+backward

  • 81ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction       the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …

    Universalium

  • 82eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …

    Universalium

  • 83Centrifugal pump — Warman centrifugal pump in a coal preparation plant application A centrifugal pump is a rotodynamic pump that uses a rotating impeller to create flow by the addition of energy to a fluid. Centrifugal pumps are commonly used to move liquids… …

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  • 84Magnetopause — Artistic rendition of the Earth s magnetopause. The magnetopause is where the pressure from the solar wind and the planet s magnetic field are equal. The position of the Sun would be far to the left in this image The magnetopause is the abrupt… …

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  • 85Marching band — For the Swedish band, see Marching Band (band). Goin Band from Raiderland, a college marching band in the United States Video of the Tennessee Volunteers Pride of …

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  • 86Fictitious force — Classical mechanics Newton s Second Law History of classical mechanics  …

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  • 87keyboard instrument — ▪ music Introduction       any musical instrument on which different notes can be sounded by pressing a series of keys, push buttons, or parallel levers. In nearly all cases in Western music the keys correspond to consecutive notes in the… …

    Universalium

  • 88theatre, Western — ▪ art Introduction       history of the Western theatre from its origins in pre Classical antiquity to the present.       For a discussion of drama as a literary form, see dramatic literature and the articles on individual national literatures.… …

    Universalium

  • 89glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… …

    Universalium

  • 90Anchor escapement — Anchor escapement. The anchor and escape wheel of a late 19th century clock …

    Wikipedia