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  • Article - 4 Jan 2002
    This article discusses photovaltaics (PV) and how they work.
  • Article - 18 Dec 2001
    Marignac first isolated gadolinia, an oxide of gadolinium (Gd), in 1880. Then, in 1886, Lecoq de Boisbaudran successfully separated the element from Mosander’s “yttria.”
  • Article - 18 Dec 2001
    Europium (Eu) is part of the lanthanide series of elements. Demarcay discovered this element in 1901, and succeeded in isolating it in a fairly pure form from the earth.
  • 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 - 9 Oct 2001
    Manufactured by sol-gel processes these materials are becoming more popular. One type is the silsesquioxane cage structure and is close to commercialisation. Also called polyhedral oligomeric...
  • Article - 18 Sep 2001
    A calcium, coppert titanate material (CaCu3Ti4O12) material is being investigated at the BNL due to unusually high dielectric constant. It is able to store extremely large amounts of charge over a...
  • Article - 29 Aug 2001
    Using a proprietary production process involving multilayers of copper, a new generation of computer chip is being produced. These overcome the poisoning effects of copper on silicon and have superior...

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