Matter & Energy Articles

• Spintronics
  Physics
  Materials Science
  Graphene
  Quantum Physics
  Consumer Electronics
   
  

  Scanning tunneling microscope

  The scanning tunneling microscope or STM, was invented in 1981 by Gerd Binnig and Heinrich Rohrer of IBM's Zurich Lab in Zurich, Switzerland. t is used to obtain images of conductive surfaces at an ... > more
• Organic Chemistry
  Geochemistry
  Chemistry
  Biochemistry
  Acid Rain
  Pollution
   
  

  Phosphate

  In inorganic chemistry, a phosphate is a salt of phosphoric acid. Phosphates are also important in biochemistry. Surface runoff of phosphates from excessively fertilized farmland can be a cause of ... > more
• Energy and the Environment
  Electricity
  Renewable Energy
  Sustainability
  Energy Technology
  Solar Energy
   
  

  Hydroelectricity

  Hydroelectricity is electricity obtained from hydropower. Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. Less common variations make ... > more
• Energy and the Environment
  Renewable Energy
  Energy and Resources
  Environmental Science
  Nuclear Energy
  Petroleum
   
  

  Future energy development

  Energy development is the ongoing effort to provide abundant and accessible energy, through knowledge, skills and constructions. When harnessing energy from primary energy sources and converting them ... > more
• Energy Technology
  Energy and Resources
  Petroleum
  Nuclear Energy
  Solar Energy
  Physics
   
  

  Energy conservation

  Energy conservation is the practice of reducing the use of energy in order to increase national security, personal security, save money, be more comfortable and/or help clean the ... > more
• Energy Technology
  Nuclear Energy
  Physics
  Energy and Resources
  Petroleum
  Solar Energy
   
  

  Energy

  In general, the word energy refers to a concept that can be paraphrased as "the potential for causing changes", and therefore one can say that energy is the cause of any change. The most common ... > more
• Inorganic Chemistry
  Chemistry
  Materials Science
  Spintronics
  Energy and Resources
  Engineering and Construction
   
  

  Metal

  In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of ... > more
• Civil Engineering
  Construction
  Engineering and Construction
  Engineering
  Sports Science
  Energy Technology
   
  

  Construction

  In project architecture and civil engineering, construction is the building or assembly of any infrastructure on a site or sites. Although this may be thought of as a single activity, in fact ... > more
• Air Quality
  Fossil Fuels
  Thermodynamics
  Air Pollution
  Energy and Resources
  Energy and the Environment
   
  

  Combustion

  Combustion or burning is a complex sequence of chemical reactions between a fuel and an oxidant accompanied by the production of heat or both heat and light in the form of either a glow or flames. ... > more
• Thermodynamics
  Physics
  Sports Science
  Quantum Physics
  Solar Energy
  Energy Technology
   
  

  Thermodynamics

  Thermodynamics is a branch of physics that studies the effects of changes in temperature, pressure, and volume on physical systems at the macroscopic scale by analyzing the collective motion of their ... > more

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