Energy Technology Articles

• Energy and the Environment
  Electricity
  Renewable Energy
  Energy Technology
  Sustainability
  Solar Energy
   
  

  Hydroelectricity

  Hydroelectricity is electricity obtained from hydropower. Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. Less common variations make ... > more
• Electricity
  Solar Energy
  Energy Technology
  Wind Energy
  Sports Science
  Petroleum
   
  

  Electricity generation

  Electricity generation is the first process in the delivery of electricity to consumers. The other three processes are electric power transmission, electricity distribution and electricity retailing. ... > more
• Energy Technology
  Electricity
  Sports Science
  Spintronics
  Physics
  Batteries
   
  

  Ampere

  The ampere (symbol: A) is the SI base unit of electric current equal to one coulomb per second. The ampere is that constant current which, if maintained in two straight parallel conductors of ... > more
• Engineering
  Civil Engineering
  Energy Technology
  Technology
  Thermodynamics
  Wind Energy
   
  

  Machine

  A machine is any mechanical or organic device that transmits or modifies energy to perform or assist in the performance of tasks. It normally requires some energy source and accomplishes some sort of ... > more
• Energy and the Environment
  Wind Energy
  Electricity
  Sustainability
  Water
  Nature of Water
   
  

  Water turbine

  A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. ... > more
• Batteries
  Energy Technology
  Electricity
  Fuel Cells
  Sports Science
  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
• Thermodynamics
  Energy Technology
  Sports Science
  Physics
  Aviation
  Solar Energy
   
  

  Heat pump

  A heat pump is a machine which moves heat from a low temperature reservoir to a higher temperature reservoir under supply of ... > more
• Physics
  Quantum Physics
  Electricity
  Albert Einstein
  Energy Technology
  Optics
   

  Electromagnetism

  Electromagnetism is the physics of the electromagnetic field: a field, encompassing all of space, which exerts a force on those particles that possess the property of electric charge, and is in turn ... > more
• Wind Energy
  Energy and the Environment
  Renewable Energy
  Electricity
  Environmental Science
  Energy Technology
   
  

  Wind turbine

  A wind turbine is a machine for converting the mechanical energy in wind into electrical energy. If the mechanical energy is used directly by machinery, such as a pump or grinding stones, the machine ... > more
• Engineering
  Civil Engineering
  Energy Technology
  Materials Science
  Thermodynamics
  Technology
   
  

  Mechanical engineering

  Mechanical engineering is a very broad field of engineering that involves the application of physical principles for analysis, design, manufacturing, and maintenance of mechanical ... > more

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