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Results 271 - 280 of 319 for Waste
  • Article - 22 Jul 2013
    In the literature, thermodynamics is conventionally defined as the science of energy and entropy. Since energy and entropy do not have the same currencies (units) and represent two distinct entities,...
  • Article - 10 Jun 2013
    Recently, there has been a lot of talk about the development of an 'invisibility time cloak' using laser pulses to manipulate light. This technology represents the potential for laser technology...
  • Article - 23 May 2013
    Algal biofuel is an alternative to fossil fuel, which is generated by specific algae species from carbon dioxide.
  • Article - 11 Mar 2013
    Clean technology is any product or service that harnesses renewable materials and energy sources, eliminates emissions and wastes, reduces the use of natural resources, and enhances the productivity,...
  • Article - 7 Mar 2013
    The atmospheric concentration of CO2 is increasing, which has an adverse effect on the environment.
  • Article - 7 Feb 2013
    LEDs or light emitting-diodes are light sources that operate when electrons move through a semiconductor material.
  • Article - 25 Jan 2013
    Anaerobic digestion (AD) is the process by which organic materials in an enclosed vessel are decomposed by micro-organisms.
  • Article - 24 Jan 2013
    Energy that can be obtained from natural resources such as wave, tidal, rain water, wind, geothermal heat and solar is defined as renewable energy.
  • Article - 17 Jan 2013
    One of the major drawbacks of solar and wind energy is that wind and the sun do not produce enough energy on a continuous scale.
  • Article - 16 Jan 2013
    Tidal power is a kind of hydropower that generates electric power by converting the energy of tides.