Virtual Environment Articles

• Civil Engineering
  Engineering
  Energy Technology
  Environmental Science
  Geochemistry
  Geology
   
  

  Civil engineering

  In modern usage, civil engineering is a broad field of engineering that deals with the planning, construction, and maintenance of fixed structures, or public works, as they are related to earth, ... > more
• Healthy Aging
  Organic Chemistry
  Attention Deficit Disorder
  Sports Science
  Chemistry
  Inorganic Chemistry
   
  

  Formaldehyde

  The chemical compound formaldehyde (also known as methanal), is a gas with a strong pungent smell. Formaldehyde readily results from the incomplete combustion of carbon-containing materials. It may ... > more
• Transportation Science
  Healthy Aging
  Vehicles
  Workplace Health
  Accident and Trauma
  Sports Medicine
   

  Road-traffic safety

  Road-traffic safety aims to reduce the harm (deaths, injuries, and property damage) resulting from crashes of road vehicles traveling on public roads. Harm from road-traffic crashes is greater than ... > more
• Physics
  Quantum Physics
  Albert Einstein
  Sports Science
  Optics
  Thermodynamics
   
  

  Time in physics

  In physics, the treatment of time is a central issue. In physics, the treatment of time is a central issue. It has been treated as a question of geometry. One can measure time and treat it as a ... > more
• Air Pollution
  Acid Rain
  Geochemistry
  Organic Chemistry
  Soil Types
  Organic
   
  

  Nitrogen

  Nitrogen is the chemical element in the periodic table that has the symbol N and atomic number 7. Nitrogen constitutes 78 percent of Earth's atmosphere and is a constituent of all living tissues. ... > more
• Physics
  Quantum Physics
  Astrophysics
  Black Holes
  Albert Einstein
  Nuclear Energy
   
  

  Physics

  Physics is the science of matter and its motion—the science that deals with concepts such as force, energy, mass, and charge. As an experimental science, its goal is to understand the natural ... > more
• Healthy Aging
  Attention Deficit Disorder
  Inorganic Chemistry
  Chemistry
  Nuclear Energy
  Dietary Supplement
   

  Heavy metals

  A heavy metal is any of a number of higher atomic weight elements, which has the properties of a metallic substance at room temperature. Living organisms require trace amounts of some heavy metals, ... > more
• Spintronics
  Physics
  Graphene
  Materials Science
  Energy Technology
  Electricity
   
  

  Semiconductor

  A semiconductor is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor. A semiconductor behaves as an insulator at very low temperature, and ... > more
• Nature of Water
  Thermodynamics
  Materials Science
  Sports Science
  Civil Engineering
  Nuclear Energy
   

  Hygroscopy

  A hygroscopic substance is one that readily attracts water from its surroundings, through either absorption or adsorption. Examples include honey, glycerin, ethanol, methanol, concentrated sulfuric ... > more
• Chemistry
  Nature of Water
  Inorganic Chemistry
  Sports Science
  Thermodynamics
  Graphene
   
  

  Sodium

  Sodium is the chemical element in the periodic table that has the symbol Na and atomic number 11. Sodium is a soft, waxy, silvery reactive metal belonging to the alkali metals that is abundant in ... > more

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