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• Optics
  Cosmic Rays
  Physics
  Medical Technology
  Black Holes
  Astrophysics
   
  

  Electromagnetic spectrum

  The electromagnetic spectrum is the range of all possible electromagnetic radiation. Above infrared in frequency comes visible light. This is the range in which the sun and stars similar to it emit ... > more
• Aviation
  Vehicles
  Weapons Technology
  Engineering
  Sports Science
  Detectors
   
  

  Military aviation

  Military aviation is used to attack or defend a country through the sky. There are many types of military aircraft, but the basic types of military aircraft are bombers, fighters, Fighter bombers, ... > more
• Thermodynamics
  Physics
  Sports Science
  Nature of Water
  Solar Energy
  Quantum Physics
   
  

  Entropy

  In thermodynamics, entropy is an extensive state function that accounts for the effects of irreversibility in thermodynamic systems, particularly in heat engines during an engine cycle. While the ... > more
• Optics
  Physics
  Quantum Physics
  Medical Technology
  Energy Technology
  Sports Science
   
  

  Electromagnetic radiation

  Electromagnetic radiation is a propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of ... > more
• Civil Engineering
  Materials Science
  Sports Science
  Engineering
  Construction
  Nanotechnology
   
  

  Tensile strength

  Tensile strength measures the force required to pull something such as rope, wire, or a structural beam to the point where it breaks. The tensile strength of a material is the maximum amount of ... > more
• Robotics
  Artificial Intelligence
  Robotics Research
  Engineering
  Sports Science
  Organic Chemistry
   
  

  Android

  An android is a robot made to resemble a human, usually both in appearance and behavior. The word android has been used to denote several different kinds of artificially constructed beings: a robot ... > more
• Optics
  Physics
  Quantum Physics
  Sports Science
  Biochemistry
  Engineering
   
  

  Optics

  Optics is a branch of physics that describes the behavior and properties of light and the interaction of light with matter. The field of optics usually describes the behavior of visible, infrared and ... > more
• Materials Science
  Inorganic Chemistry
  Chemistry
  Sports Science
  Electronics
  Nature of Water
   
  

  Polyethylene

  Polyethylene, (IUPAC name polyethene), is a thermoplastic commodity heavily used in consumer products (over 60 million tons are produced worldwide every year). It is a polymer consisting of long ... > more
• Nature of Water
  Sports Science
  Nuclear Energy
  Physics
  Quantum Physics
  Thermodynamics
   

  Superheating

  In physics, superheating (sometimes referred to as boiling retardation, boiling delay, or defervescence) is the phenomenon in which a liquid is heated to a temperature higher than its standard ... > more
• Earthquakes
  Natural Disasters
  Tsunamis
  Construction
  Sports Science
  Physics
   

  Richter magnitude scale

  The Richter magnitude test scale (or more correctly local magnitude ML scale) assigns a single number to quantify the size of an earthquake. It is a base-10 logarithmic scale obtained by calculating ... > more

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