Engineering Articles

• Alternative Fuels
  Fossil Fuels
  Fuel Cells
  Energy and the Environment
  Petroleum
  Renewable Energy
   
  

  Common ethanol fuel mixtures

  Ethanol (ethyl alcohol) and methanol (methyl alcohol) are two types of alcohol fuels. The use of pure alcohols in internal combustion engines is only possible if the engine is designed or modified ... > more
• Acoustics
  Nature of Water
  Optics
  Sports Science
  Thermodynamics
  Physics
   
  

  Speed of sound

  The speed of sound is a term used to describe the speed of sound waves passing through an elastic medium. The speed varies with the medium employed (for example, sound waves move faster through water ... > more
• Volcanoes
  Natural Disasters
  Sports Science
  Geology
  Global Warming
  Early Climate
   
  

  Volcano

  A volcano is an opening (or rupture) in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep below the surface. Volcanic activity involving the extrusion of ... > more
• Triglycerides
  Cholesterol
  Nutrition
  Obesity
  Vegetarian
  Diet and Weight Loss
   

  Saturated fat

  Saturated fat is fat that consists of triglycerides containing only saturated fatty acids. Diets high in saturated fat correlate in some studies with an increased incidence of atherosclerosis and ... > more
• Sports Science
  Charles Darwin
  Construction
  Marine Biology
  Quantum Physics
  Evolution
   
  

  Barnacle

  A barnacle is a type of arthropod belonging to infraclass Cirripedia in the subphylum Crustacea. Barnacles often attach themselves to human-made structures, sometimes to the structure's ... > more
• Cholesterol
  Heart Disease
  Triglycerides
  Diet and Weight Loss
  Vegetarian
  Diseases and Conditions
   
  

  Cholesterol

  Cholesterol is a sterol and a lipid found in the cell membranes of all body tissues, and transported in the blood plasma of all animals. Cholesterol plays a central role in many biochemical ... > more

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