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Results 2341 - 2350 of 2358 for Battery
  • Article - 24 Jul 2014
    According to the World Health Organization (WHO) roughly 10% of the world's population (780 million) do not have access to a source of clean drinking water and disease associated with the consumption...
  • Article - 29 Nov 2013
    A fuel cell may be defined as a device that converts chemical energy from a fuel into electricity through a chemical reaction. The chemical reaction occurs in the presence of oxygen or an oxidizing...
  • Article - 8 Oct 2013
    Solar power could one day become a major source of energy and a way of life. Today, however, it only represents less than 1% of the world's energy.
  • Article - 4 Jun 2013
    Looking for new innovations in solar technology, I believe, is extremely important as I think it will represent one of the major energy sources in the not too distant future. Solar technology is...
  • Article - 14 Mar 2013
    Increasing levels of pollution and contamination in the environment is a cause for concern globally. For me, or any other individual, we are confined to the environment we find ourselves in.
  • Article - 27 Feb 2013
    A microbial fuel cell enables the conversion of chemical energy to electrical energy when microorganisms react by catalysis.
  • Article - 27 Jan 2013
    Alternative sources of drinking water are generally sought when groundwater cannot be accessed due to hard ground conditions, or is unfit for drinking or when there is no surface water.
  • Article - 31 Dec 2012
    A solar panel is composed of a package of photovoltaic cells. It can be used in a larger photovoltaic system for generating and supplying electric energy for residents and other commercial...
  • Article - 18 Dec 2012
    Nanotechnology is a subject which has been popular within the scientific and technology industries for many years. It is now with the ever growing advancement in technology that nanotechnology is...
  • Article - 29 Nov 2012
    Wind energy is converted into useful energy by means of wind turbines that produce electrical power, wind pumps and windmills that produce mechanical power. Wind power is renewable, clean, widely...