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  • Article - 4 Jan 2002
    This article briefly looks at where photovoltaics came from. From its discovery, to use in spacecraft, semiconductors and renewed interest as an alternative energy source.
  • Article - 4 Jan 2002
    This article discusses photovaltaics (PV) and how they work.
  • Article - 17 Dec 2001
    Superconducting Magnetic Storage Energy Systems store energy within a magnet and release it within a fraction of a cycle in the event of a loss of line power. How they work, how fast they recharge,...
  • Article - 14 Dec 2001
    Safety issues associated with the manufacture, installation and usage of solar cells are addressed in the article.
  • Article - 14 Dec 2001
    Have you ever thought about installing a solar electricity system and not known how big a system you require? This article takes you through estimating your power requirements and includes examples.
  • Article - 14 Dec 2001
    This article explores the issue of how long a photovolatic system must operate to account for energy and pollution created in the manufacture of the system. It takes into account the different...
  • Article - 14 Dec 2001
    The basic design principles and components of a photovoltaic system are discussed. Other factors such as applications, appropriateness, effects of weather, system size, direct and alternating current...
  • Article - 29 Nov 2001
    Powder injection moulding (PIM) and powder co-injection moulding (PCM) are similar to polymer injection moulding. They are used to produce shaped components from powders and are suited to ceramic,...
  • Article - 23 Nov 2001
    Materials with grain sizes in the order of a billionth of a meter are called nanomaterials, or nanocrystalline materials, which can be used for a range of structural and non-structural applications.
  • Article - 9 Nov 2001
    Kaolins are used in a variety of resources. These include plastics and rubber, paints, concrete and paper. The application of kaolin in these industries is explained and the paint industry in the...

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