Detection Articles

• Physics
  Chemistry
  Sports Science
  Cell Biology
  Genetics
  Quantum Physics
   
  

  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
• Nature of Water
  Inorganic Chemistry
  Petroleum
  Chemistry
  Energy and Resources
  Physics
   
  

  Helium

  Helium is a chemical element that has the symbol He, is colorless, odorless, tasteless, non-toxic, and nearly inert monatomic that heads the noble gas series in the periodic ... > more
• Ultrasound
  Medical Imaging
  Medical Technology
  Medical Devices
  Pregnancy and Childbirth
  Sports Science
   
  

  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
• Inorganic Chemistry
  Chemistry
  Weapons Technology
  Physics
  Engineering
  Graphene
   

  Actinide

  The actinide series encompasses the 15 chemical elements that lie between actinium and lawrencium on the periodic table with atomic numbers 89 - 103. The actinide series is named after actinium. All ... > more
• Quantum Physics
  Physics
  Spintronics
  Spintronics Research
  Black Holes
  Quantum Computers
   
  

  Introduction to quantum mechanics

  Quantum mechanics is a physical science dealing with the behaviour of matter and energy on the scale of atoms and subatomic particles / waves. It also forms the basis for the contemporary ... > more
• Organic Chemistry
  Chemistry
  Inorganic Chemistry
  Spintronics
  Weapons Technology
  Alternative Fuels
   
  

  Oxidizing agent

  An oxidizing agent (also called an oxidizer or oxidant) is referred to as a chemical compound that readily transfers oxygen atoms or a substance that gains electrons in a redox chemical reaction. ... > more
• Air Quality
  Air Pollution
  Pollution
  Petroleum
  Environmental Science
  Vehicles
   

  Automobile emissions control

  Automobile emissions control covers all the technologies that are employed to reduce the air pollution-causing emissions produced by ... > 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
• Quantum Physics
  Physics
  Chemistry
  Inorganic Chemistry
  Cosmic Rays
  Graphene
   
  

  Atom

  In chemistry and physics, an atom is the smallest particle of a chemical element that retains its chemical properties. An atom consists of a dense nucleus of positively-charged protons and ... > more
• Nanotechnology
  Materials Science
  Sports Science
  Physics
  Spintronics
  Chemistry
   
  

  Nanoparticle

  A nanoparticle (or nanopowder or nanocluster or nanocrystal) is a microscopic particle with at least one dimension less than 100 nm. Nanoparticle research is currently an area of intense scientific ... > more

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