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  • Yahoo News Search: Cambios Y Movimientos Sociales En El Siglo XIX
    Yahoo News Search: Cambios Y Movimientos Sociales En El Siglo XIX
    Created by NewsLine on Aug 15, 2008

    Yahoo News Search: Cambios Y Movimientos Sociales En El Siglo XIX

    1095 Views



  • Historia de Windows
    Historia de Windows
    Created by perlacano on Apr 13, 2011

    En esta línea de tiempo veremos cuales han sido las versiones que presenta windows desde su lanzamiento hasta la actualidad.

    125 Views | Topic Settings



  • History of The Wheel
    History of The Wheel
    Created by StevePro on Mar 29, 2011

    A wheel is a device that allows heavy objects to be moved easily through rotating on an axle through its center, facilitating movement or transportation while supporting a load (mass), or performing labor in machines. Common examples found in transport applications. A wheel, together with an axle, overcomes friction by facilitating motion by rolling. In order for wheels to rotate, a moment needs to be applied to the wheel about its axis, either by way of gravity, or by application of another external force. More generally the term is also used for other circular objects that rotate or turn, such as a ship's wheel, steering wheel and flywheel.

    46231 Views


Perla Cano

Member since: Feb 2011