Electricity Articles

• Energy and the Environment
  Alternative Fuels
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  Alternative fuel vehicle

  Alternative Fuel Vehicle refers to a vehicle that runs on a fuel other than traditional gasoline or diesel; any method of powering an engine that does not involve petroleum. Due to a combination of ... > more
• Optics
  Physics
  Quantum Physics
  Medical Technology
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  Electromagnetic radiation

  Electromagnetic radiation is a propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of ... > more
• Energy Technology
  Electricity
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  Medical Technology
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  Magnetic field

  In physics, a magnetic field is that part of the electromagnetic field that exerts a force on a moving charge. A magnetic field can be caused either by another moving charge (i.e., by an electric ... > more
• Batteries
  Energy Technology
  Electricity
  Fuel Cells
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  Biochemistry
   
  

  Battery (electricity)

  In science and technology, a battery is a device that stores chemical energy and makes it available in an electrical form. It consists of one or more voltaic cells, each of which is composed of two ... > more
• Aviation
  Vehicles
  Fuel Cells
  Fossil Fuels
  Petroleum
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  Internal combustion engine

  The internal combustion engine is a heat engine in which combustion occurs in a confined space called a combustion chamber. Combustion of a fuel creates high temperature/pressure gases, which are ... > more
• Energy Technology
  Electricity
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  Electronics
  Technology
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  Capacitor

  A capacitor is an electrical device that can store energy in the electric field between a pair of closely spaced conductors (called 'plates'). When voltage is applied to the capacitor, electric ... > more
• Spintronics
  Physics
  Graphene
  Materials Science
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  Electricity
   
  

  Semiconductor

  A semiconductor is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor. A semiconductor behaves as an insulator at very low temperature, and ... > more
• Inorganic Chemistry
  Chemistry
  Materials Science
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  Metal

  In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of ... > more
• Energy and the Environment
  Renewable Energy
  Environmental Science
  Fuel Cells
  Sustainability
  Alternative Fuels
   
  

  Liquid nitrogen economy

  A liquid nitrogen economy is a hypothetical proposal for a future economy in which the primary form of energy storage and transport is liquid nitrogen. It is proposed as an alternative to liquid ... > more
• Spintronics
  Sports Science
  Physics
  Energy Technology
  Solar Energy
  Electricity
   
  

  Torque

  In physics, torque can informally be thought of as "rotational force" or "angular force" which causes a change in rotational motion. This force is defined by linear force multiplied by a radius. The ... > more

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