Optics Articles

• Sports Science
  Chemistry
  Inorganic Chemistry
  Weapons Technology
  Nuclear Energy
  Physics
   
  

  Krypton

  Krypton is a chemical element with the symbol Kr and atomic number 36. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by fractionating ... > more
• Energy Technology
  Nuclear Energy
  Physics
  Petroleum
  Thermodynamics
  Solar Energy
   
  

  Kinetic energy

  Kinetic energy is energy that a body possess as a result of its motion. Kinetic energy as it is mathematically written is the "classic statement" of: Kinetic energy is equal to half the mass of an ... > more
• Spintronics
  Quantum Physics
  Physics
  Graphene
  Quantum Computing
  Materials Science
   
  

  Spin (physics)

  In physics, spin refers to the angular momentum intrinsic to a body, as opposed to orbital angular momentum, which is generated by the motion of its center of mass about an external ... > more
• Air Quality
  Fossil Fuels
  Air Pollution
  Thermodynamics
  Energy and the Environment
  Alternative Fuels
   
  

  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
• Optics
  Energy Technology
  Sports Science
  Construction
  Petroleum
  Physics
   
  

  Lighting

  Lighting refers to either artificial light sources such as lamps or to natural illumination of interiors from sunlight. Lighting represents a major component of energy consumption, accounting for ... > more
• Physics
  Chemistry
  Sports Science
  Cell Biology
  Genetics
  Energy Technology
   
  

  Plasma (physics)

  In physics and chemistry, a plasma is an ionized gas, and is usually considered to be a distinct phase of matter. "Ionized" in this case means that at least one electron has been dissociated from a ... > more
• Chemistry
  Sports Science
  Inorganic Chemistry
  Weapons Technology
  Nature of Water
  Nuclear Energy
   
  

  Xenon

  Xenon is a chemical element in the periodic table that has the symbol Xe and atomic number 54. A colorless, very heavy, odorless noble gas, xenon occurs in the earth's atmosphere in trace amounts and ... > more
• Ultrasound
  Medical Imaging
  Medical Technology
  Pregnancy and Childbirth
  Sports Science
  Detectors
   
  

  Ultrasound

  Ultrasound is sound with a frequency greater than the upper limit of human hearing, approximately 20 kilohertz (20,000 hertz). Some animals, such as dogs, dolphins, bats, and mice have an upper limit ... > more
• Nuclear Energy
  Physics
  Weapons Technology
  Energy Technology
  Inorganic Chemistry
  Sports Science
   
  

  Nuclear reaction

  In nuclear physics, a nuclear reaction is a process in which two nuclei or nuclear particles collide, to produce different products than the initial particles. In principle a reaction can involve ... > more
• Weapons Technology
  Nuclear Energy
  Renewable Energy
  Energy and the Environment
  Physics
  Environmental Science
   
  

  Effects of nuclear explosions

  A nuclear explosion occurs as a result of the rapid release of energy from an uncontrolled nuclear reaction. The driving reaction may be nuclear fission, nuclear fusion or a multistage cascading ... > more
• Thermodynamics
  Nature of Water
  Physics
  Sports Science
  Inorganic Chemistry
  Chemistry
   
  

  Heat

  In physics, heat is a form of energy associated with the motion of atoms, molecules and other particles which comprise matter; generally defined as energy in motion. The amount of heat exchanged by ... > more
• Tsunamis
  Nature of Water
  Quantum Physics
  Natural Disasters
  Sports Science
  Albert Einstein
   

  Breaking wave

  In physics, a breaking wave is a wave whose amplitude reaches a critical level at which some process can suddenly start to occur that causes large amounts of wave energy to be dissipated. At this ... > more

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