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  • Article - 31 Jan 2013
    Farmers from ancient cultures such as Greece, China and Rome shared a common understanding with regards to crop rotations.
  • Article - 30 Jan 2013
    Over the years, football kits have changed dramatically. It used to be the requirement that kits were simply safe for the users and they were often fairly monotonous consisting of a long sleeved...
  • Article - 30 Jan 2013
    Geothermal heat pumps are otherwise known as water-source, ground-source, earth-coupled or geoexchange heat pumps.
  • Article - 25 Jan 2013
    Health and environmental impact of diesel fuel exhaust is a subject of concern, according to statements by an international organization and recently published research.
  • Article - 16 Jan 2013
    Tidal power is a kind of hydropower that generates electric power by converting the energy of tides.
  • Article - 4 Jan 2013
    OTEC is an energy technology that makes use of the ocean’s temperature difference between the warm surface water and the cold deeper water.
  • Article - 29 Dec 2012
    Biofuels are liquid fuels derived from biological materials like vegetable oils, corn or sugar cane.
  • Article - 19 Dec 2012
    A solar panel is a set of solar cells that convert light energy into electric energy. A number of solar panels, a battery, interconnection wiring and an inverter constitute a large photovoltaic system...
  • Article - 20 Nov 2012
    Solar energy is an eco-friendly and inexpensive form of energy. This clean, safe and sustainable energy form has been used for centuries in various ways – to heat, to dry and to generate fire.
  • Article - 17 Nov 2012
    The Times Square Ball located at the top of the One Times Square building and is used during New Year's Eve celebrations in New York. The ball is lowered down a flagpole annually on December 31 at...