Biometric Articles

• Nanotechnology
  Physics
  Technology
  Spintronics
  Graphene
  Quantum Physics
   
  

  Nanowire

  A nanowire is a wire of dimensions of the order of a nanometer (10−9 meters). Alternatively, nanowires can be defined as structures that have a lateral size constrained to tens of nanometers or ... > more
• Hurricanes and Cyclones
  Floods
  Severe Weather
  Construction
  Sports Science
  Civil Engineering
   
  

  Levee failures in Greater New Orleans, 2005

  In 2005, as a result of Hurricane Katrina, there were extensive failures of the levees and flood walls protecting New Orleans, Louisiana and surrounding communities. There were also extensive ... > more
• Graphene
  Chemistry
  Inorganic Chemistry
  Sports Science
  Physics
  Nature of Water
   
  

  Gallium

  Gallium is a chemical element in the periodic table that has the symbol Ga and atomic number 31. A rare, soft silvery metallic poor metal, gallium is a brittle solid at low temperatures but liquefies ... > more
• Sports Science
  Physics
  Quantum Physics
  Nature of Water
  Batteries
  Chemistry
   
  

  Nature

  Nature (also called the material world, the material universe, the natural world, and the natural universe) is all matter and energy, especially in its essential form. Nature may refer to the general ... > more
• Cosmic Rays
  Black Holes
  Detectors
  Space Telescopes
  Medical Technology
  Medical Imaging
   
  

  X-ray

  X-rays are a form of electromagnetic radiation with a wavelength in the range of 10 to 0.1 nanometers, corresponding to frequencies in the range 30 to 3000 PHz. X-rays are primarily used for ... > more
• Inorganic Chemistry
  Chemistry
  Sports Science
  Physics
  Materials Science
  Nature of Water
   
  

  Iridium

  Iridium is a chemical element in the periodic table that has the symbol Ir and atomic number 77. A dense, very hard, brittle, silvery-white transition metal of the platinum family, iridium is used in ... > more
• Engineering
  Civil Engineering
  Energy Technology
  Technology
  Electronics
  Materials Science
   
  

  Engineering

  Engineering is the applied science of acquiring and applying knowledge to design, analysis, and/or construction of works for practical purposes. The American Engineers' Council for Professional ... > more
• Thermodynamics
  Detectors
  Sports Science
  Physics
  Biometric
  Energy Technology
   
  

  Laws of thermodynamics

  The laws of thermodynamics, in principle, describe the specifics for the transport of heat and work in thermodynamic processes. Since their conception, however, these laws have become some of the ... > more
• Electricity
  Energy Technology
  Solar Energy
  Wind Energy
  Batteries
  Thermodynamics
   
  

  Electric power

  Electric power is the amount of work done by an electric current in a unit time. When a current flows in a circuit with resistance, it does work. Devices can be made that convert this work into heat ... > more
• Spintronics
  Physics
  Materials Science
  Graphene
  Quantum Physics
  Sports Science
   
  

  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

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