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• Renewable Energy
  Energy and the Environment
  Sports Science
  Nuclear Energy
  Healthy Aging
  Sports Medicine
   
  

  Chernobyl disaster

  The Chernobyl disaster was an accident at the Chernobyl Nuclear Power Plant on April 26, 1986 at 01:23 a.m., consisting of an explosion at the plant and subsequent radioactive contamination of the ... > more
• Ozone Holes
  Air Quality
  Air Pollution
  Environmental Issues
  Pollution
  Atmosphere
   
  

  Tropospheric ozone

  Ozone (O3) is a key constituent of the troposphere. Photochemical and chemical reactions involving it drive many of the chemical processes that occur in the atmosphere by day and by night. At ... > more
• Electricity
  Energy Technology
  Batteries
  Fuel Cells
  Sports Science
  Solar Energy
   
  

  Electricity

  Electricity is a property of matter that results from the presence or movement of electric charge. Together with magnetism, it constitutes the fundamental interaction known as electromagnetism. ... > more
• Quantum Physics
  Physics
  Fuel Cells
  Organic Chemistry
  Spintronics
  Nuclear Energy
   
  

  Proton

  The proton is a subatomic particle with an electric charge of one positive fundamental unit and a mass of 938.3 MeV/c2, or about 1836 times the mass of an electron. The proton is observed to be ... > more
• Mesothelioma
  Sports Science
  Sports Medicine
  Healthy Aging
  Attention Deficit Disorder
  Lung Cancer
   
  

  Asbestos

  Asbestos describes any of a group of fibrous metamorphic minerals of the hydrous magnesium silicate variety. When asbestos is used for its resistance to fire or heat, the fibers are typically mixed ... > more
• Graphene
  Nanotechnology
  Sports Science
  Organic Chemistry
  Electronics
  Materials Science
   
  

  Carbon nanotube

  Carbon nanotubes (CNTs) are an allotrope of carbon. They take the form of cylindrical carbon molecules and have novel properties that make them potentially useful in a wide variety of applications in ... > 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
• Chemistry
  Inorganic Chemistry
  Organic Chemistry
  Biochemistry
  Physics
  Thermodynamics
   
  

  Chemistry

  Chemistry is the science that deals with the properties of organic and inorganic substances and their interactions with other organic and inorganic substances. In the study of matter, chemistry also ... > more
• Civil Engineering
  Materials Science
  Physics
  Quantum Physics
  Construction
  Sports Science
   
  

  Shear stress

  In physics, shear stress is a stress state in which the shape of a material tends to change (usually by "sliding" forces -- torque by transversely-acting forces) without particular volume ... > more
• Nature of Water
  Sports Science
  Thermodynamics
  Transportation Science
  Nuclear Energy
  Physics
   
  

  Surface tension

  Surface tension is an effect within the surface layer of a liquid that causes the layer to behave as an elastic sheet. It is the effect that allows insects (such as the water strider) to walk on ... > more

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