Biometric Articles

• NASA
  Space Telescopes
  Astrophysics
  Space Exploration
  Galaxies
  Sports Science
   
  

  Edwin Hubble

  Edwin Powell Hubble (November 20, 1889 - September 28, 1953) was an American astronomer, noted for his discovery of galaxies beyond the Milky Way and the cosmological redshift. Edwin Hubble was one ... > more
• Electronics
  Graphene
  Spintronics
  Spintronics Research
  Nanotechnology
  Sports Science
   
  

  Silicon

  Silicon is the chemical element in the periodic table that has the symbol Si and atomic number 14. A tetravalent metalloid, silicon is less reactive than its chemical analog carbon. It is the second ... > 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
• Physics
  Quantum Physics
  Spintronics
  Quantum Computing
  Black Holes
  Graphene
   
  

  Quantum number

  A quantum number describes the energies of electrons in atoms. Each quantum number specifies the value of a conserved quantity in the dynamics of the quantum system. Since any quantum system can have ... > more
• Nature of Water
  Sports Science
  Vehicles
  Electronics
  Nanotechnology
  Inorganic Chemistry
   
  

  Flow measurement

  Flow measurement is the quantification of bulk fluid or gas movement. Volumetric flow rate is sometimes measured in "standard cubic centimeters per minute" (abbreviation sccm), a unit acceptable for ... > more
• Dietary Supplements and Minerals
  Vitamin
  Healthy Aging
  Attention Deficit Disorder
  Sports Science
  Sports Medicine
   
  

  Zinc

  Zinc is a chemical element in the periodic table that has the symbol Zn and atomic number 30. Zinc is the fourth most common metal in use, trailing only iron, aluminium, and copper in annual ... > more
• Sports Science
  Ancient Civilizations
  Construction
  Anthropology
  Robotics Research
  Weapons Technology
   
  

  Trebuchet

  A trebuchet, also sometimes called a trebucket is a medieval siege engine, a weapon employed either to batter masonry or to throw projectiles over walls. The invention of the trebuchet derives, no ... > more
• Energy Technology
  Electricity
  Spintronics
  Inorganic Chemistry
  Energy and Resources
  Consumer Electronics
   
  

  Electrical conduction

  Electrical conduction is the movement of electrically charged particles through a transmission medium. The movement can form an electric current in response to an electric field. The underlying ... > more
• Alternative Fuels
  Graphene
  Spintronics
  Global Warming
  Attention Deficit Disorder
  Healthy Aging
   
  

  Nitrous oxide

  Nitrous oxide, also known as dinitrogen oxide or dinitrogen monoxide, is a chemical compound with chemical formula N2O. It is commonly known as laughing gas due to the exhilarating effects of ... > more
• Aviation
  Vehicles
  Sports Science
  Aerospace
  Quantum Physics
  Acoustics
   
  

  Sonic boom

  A sonic boom is the audible component of a shock wave in air. The term is commonly used to refer to the air shocks caused by the supersonic flight of military aircraft or passenger transports such as ... > more

Search ScienceDaily