Energy Policy Articles

• Nutrition
  Diet and Weight Loss
  Attention Deficit Disorder
  Healthy Aging
  Obesity
  Sports Science
   
  

  Calorie

  A calorie is an unit of measurement for energy. The calorie was never a metric or SI unit. In most fields, it has been replaced by the joule, the SI unit of energy. It remains, however, in common ... > more
• Healthy Aging
  Attention Deficit Disorder
  Sports Medicine
  Sports Science
  Chemistry
  Pregnancy and Childbirth
   
  

  Mercury (element)

  Mercury, also called quicksilver, is a chemical element in the periodic table that has the symbol Hg and atomic number 80. A heavy, silvery, transition metal, mercury is one of five elements that are ... > more
• Sports Science
  Vehicles
  Aviation
  Space Probes
  Space Exploration
  Space Station
   
  

  Model rocket

  Model rocketry is a hobby similar to building model airplanes. In the hobby today, there are two distinct areas of rocket activity: amateur (or experimental) rocketry, and model rocketry (including ... > more
• Alternative Fuels
  Fossil Fuels
  Fuel Cells
  Energy and the Environment
  Vehicles
  Petroleum
   
  

  Flexible-fuel vehicle

  A flexible-fuel vehicle (FFV) or dual-fuel vehicle (also sometimes called only flex-fuel) is an automobile that can typically alternate between two sources of fuel. A common example is a vehicle that ... > more
• Communications
  Internet
  Mobile Computing
  Computer Programming
  Sports Science
  Technology
   
  

  Voice over IP

  Voice over Internet Protocol (also called VoIP, IP Telephony, Internet telephony, and Broadband Phone) is the routing of voice conversations over the Internet or any other IP-based network. The voice ... > more
• Triglycerides
  Cholesterol
  Nutrition
  Obesity
  Diet and Weight Loss
  Fitness
   
  

  Trans fat

  Trans fatty acids (commonly termed trans fats) are a type of unsaturated fat (and may be monounsaturated or polyunsaturated). Trans fats occur naturally, in small quantities, in meat and dairy ... > more
• Oil Spills
  Petroleum
  Energy and the Environment
  Geology
  Earthquakes
  Sports Science
   
  

  Petroleum geology

  Petroleum geology refers to the specific set of geological disciplines that are applied to the search for hydrocarbons (oil exploration). Petroleum geology is principally concerned with the ... > more
• Global Warming
  Climate
  Environmental Issues
  Early Climate
  Nature
  Environmental Policy
   
  

  Global warming

  Global warming refers to the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation. The global average air temperature ... > 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
• Healthy Aging
  Attention Deficit Disorder
  Hazardous Waste
  Sports Science
  Chemistry
  Sports Medicine
   
  

  Polychlorinated biphenyl

  Polychlorinated biphenyls (PCBs) are a class of organic compounds with 1 to 10 chlorine atoms attached to biphenyl. Although the physical and chemical properties vary widely across the class, PCBs ... > more

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