Search

Sort by:
Results 1221 - 1230 of 1490 for HAS
  • Article - 12 Jul 2013
    A new report released by the US Department of Energy has identified some ways in which America's energy supply sector could be damaged by the changing climate.
  • Article - 20 Jun 2013
    Recent political statements have put the environment and global warming back into the forefront of the world’s ‘cause for concern’ list. If the issue of global warming is to be addressed and taken...
  • Article - 18 Feb 2013
    LEDs or light emitting-diodes are light sources that operate when electrons move through a semiconductor material.
  • Article - 28 Jan 2013
    Anaerobic digestion (AD) is the process by which organic materials in an enclosed vessel are decomposed by micro-organisms.
  • Article - 31 Jan 2013
    Geothermal energy is the heat obtained from the ground. This energy originates from the radioactive decay of minerals and the original formation of the planet. The utilization of geothermal energy...
  • Article - 11 Dec 2012
    Photovoltaic (PV) cell is the technical term for solar cell, which is used to convert sunlight directly into electricity.
  • Article - 6 Dec 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...
  • Article - 19 Nov 2012
    Lightings play a major role in bringing in joy during festive season. During Christmas, people leave lights on all day which results in wastage of energy whereby causing light pollution. Though...
  • Article - 13 Dec 2012
    Vauxhall Ampera is a plug-in electric car and an extended-range electric vehicle (E-REV). It employs a state-of-the-art battery and engine technology to overcome the general drawbacks of electric cars...
  • Article - 7 Nov 2012
    Light emitting diodes (LEDs) are semiconductor diodes that generate light by collecting charges present in a semiconductor at a relevant energy band gap.

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.