Optics Articles

• Sports Science
  Ancient Civilizations
  Construction
  Civil Engineering
  Vehicles
  Aviation
   
  

  Crane (machine)

  A crane is a tower or derrick equipped with cables and pulleys that can be used both to lift and lower materials and to shift them horizontally. Cranes are commonly employed in the construction ... > more
• Fossil Fuels
  Petroleum
  Graphene
  Alternative Fuels
  Sports Science
  Chemistry
   
  

  Hydrocarbon

  In chemistry, a hydrocarbon is any chemical compound that consists only of the elements carbon (C) and hydrogen (H). They all contain a carbon backbone, called a carbon skeleton, and have hydrogen ... > 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
• Acoustics
  Sports Science
  Sports Medicine
  Healthy Aging
  Attention Deficit Disorder
  Albert Einstein
   
  

  Music

  Music is an art, entertainment, or other human activity which involves organized and audible sound. Musical composition is a term that describes the makeup of a piece of music. Methods of composition ... > more
• Construction
  Civil Engineering
  Sports Science
  Graphene
  Materials Science
  Organic Chemistry
   
  

  Stainless steel

  In metallurgy, stainless steel is defined as a ferrous alloy with a minimum of 10.5% chromium content. Stainless steels have higher resistance to oxidation (rust) and corrosion in many natural and ... > more
• 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
• Fossil Fuels
  Petroleum
  Alternative Fuels
  Fuel Cells
  Sports Science
  Batteries
   
  

  Gasoline

  Gasoline is a petroleum-derived liquid mixture consisting primarily of hydrocarbons, used as fuel in internal combustion engines. Before internal combustion engines were invented in the mid-1800s, ... > more
• Healthy Aging
  Attention Deficit Disorder
  Food Additives
  Sports Science
  Sports Medicine
  Chemistry
   
  

  Chlorine

  Chlorine is the chemical element with atomic number 17 and symbol Cl. It is a halogen, found in the periodic table in group 17. As the chloride ion, which is part of common salt and other compounds, ... > 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
• Energy and the Environment
  Petroleum
  Renewable Energy
  Environmental Science
  Oil Spills
  Fossil Fuels
   
  

  Biodiesel

  Biodiesel refers to a diesel-equivalent, processed fuel derived from biological sources. Though derived from biological sources, it is a processed fuel that can be readily used in diesel-engined ... > more

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