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• Energy and the Environment
  Alternative Fuels
  Renewable Energy
  Fossil Fuels
  Batteries
  Vehicles
   
  

  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
• 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
• Sports Science
  Chemistry
  Inorganic Chemistry
  Spintronics
  Graphene
  Thermodynamics
   
  

  Aluminium

  Aluminium or aluminum is the chemical element in the periodic table that has the symbol Al and atomic number 13. It is a silvery and ductile member of the poor metal group of chemical elements. ... > more
• Batteries
  Alternative Fuels
  Amyotrophic Lateral Sclerosis
  Healthy Aging
  Sports Science
  Chemistry
   
  

  Lithium

  Lithium is the chemical element with symbol Li and atomic number 3. In the periodic table, it is located in group 1, among the alkali metals. Lithium in its pure form is a soft, silver white metal, ... > 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
• Ozone Holes
  Chemistry
  Air Quality
  Environmental Issues
  Sports Science
  Inorganic Chemistry
   
  

  Haloalkane

  The haloalkanes (also known as Halogenoalkanes) are a group of chemical compounds, consisting of alkanes, such as methane or ethane, with one or more halogens linked, such as chlorine or fluorine, ... > more
• Sports Science
  Technology
  Energy Technology
  Engineering
  Electronics
  Civil Engineering
   

  Feedback

  In cybernetics and control theory, feedback is a process whereby some proportion or in general, function, of the output signal of a system is passed (fed back) to the input. Often this is done ... > more
• Sports Science
  Weapons Technology
  Chemistry
  Inorganic Chemistry
  Physics
  Nature of Water
   
  

  Cobalt

  Cobalt is a chemical element in the periodic table that has the symbol Co and atomic number 27. Cobalt is a hard, lustrous, silver-gray metal, a chemical element with symbol Co. It is found in ... > more
• Energy and the Environment
  Renewable Energy
  Environmental Science
  Nuclear Energy
  Petroleum
  Energy Technology
   
  

  Future energy development

  Energy development is the ongoing effort to provide abundant and accessible energy, through knowledge, skills and constructions. When harnessing energy from primary energy sources and converting them ... > more
• Nature of Water
  Sports Science
  Chemistry
  Inorganic Chemistry
  Albert Einstein
  Wind Energy
   
  

  Drag (physics)

  For a solid object moving through a fluid or gas, drag is the sum of all the aerodynamic or hydrodynamic forces in the direction of the external fluid flow. It therefore acts to oppose the motion of ... > more

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