Acoustics Articles

• Optics
  Aviation
  Vehicles
  Satellites
  Physics
  NASA
   
  

  Infrared

  Infrared (IR) radiation is electromagnetic radiation of a wavelength longer than that of visible light, but shorter than that of microwave radiation. The name means "below red", red being the color ... > more
• Electricity
  Energy Technology
  Solar Energy
  Batteries
  Wind Energy
  Sports Science
   
  

  Three-phase electric power

  Three-phase is a common method of electric power transmission. It is a type of polyphase system used to power motors and many other devices. Three phase has properties that make it very desirable in ... > more
• Robotics
  Robotics Research
  Artificial Intelligence
  Engineering
  Sports Science
  Vehicles
   
  

  Robot

  A robot is a mechanical or virtual, artificial agent. It is usually an electromechanical system, which, by its appearance or movements, conveys a sense that it has intent or agency of its own. The ... > more
• Civil Engineering
  Geology
  Earthquakes
  Engineering
  Natural Disasters
  Energy Technology
   

  Engineering geology

  Engineering Geology is the application of the science of geology to the understanding of geologic phenomena and the engineering solution of geologic hazards and other geologic problems for ... > more
• Energy Technology
  Engineering
  Technology
  Electronics
  Civil Engineering
  Electricity
   
  

  Electrical engineering

  Electrical engineering (sometimes referred to as electrical and electronic engineering) is a professional engineering discipline that deals with the study and application of electricity, electronics ... > more
• Optics
  Medical Technology
  Acoustics
  Physics
  Thermodynamics
  Spintronics
   
  

  Microwave

  Microwaves are electromagnetic waves with wavelengths longer than those of terahertz (THz) wavelengths, but relatively short for radio waves. Microwaves have wavelengths approximately in the range of ... > more
• Vitamin D
  Healthy Aging
  Optics
  Attention Deficit Disorder
  Geomagnetic Storms
  Sports Science
   
  

  Ultraviolet

  Ultraviolet (UV) radiation is electromagnetic radiation of a wavelength shorter than that of the visible region, but longer than that of soft X-rays. The Sun emits ultraviolet radiation in the UVA, ... > more
• Aviation
  Vehicles
  Sports Science
  Wind Energy
  Construction
  Weapons Technology
   
  

  Helicopter

  A helicopter is an aircraft which is lifted and propelled by one or more horizontal rotors (propellers). Helicopters are classified as rotary-wing aircraft to distinguish them from conventional ... > more
• Wildfires
  Natural Disasters
  Earthquakes
  Construction
  Civil Engineering
  Oil Spills
   
  

  Firestorm

  A firestorm is a conflagration which attains such intensity that it creates and sustains its own wind system. A firestorm is created as a result of the "chimney effect" as the heat of the original ... > more
• Energy and the Environment
  Renewable Energy
  Physics
  Energy Technology
  Solar Energy
  Environmental Science
   
  

  Radiant energy

  Radiant energy is the energy of electromagnetic waves. The term is most commonly used in the fields of radiometry, solar energy, heating and lighting, but is also used less frequently in other fields ... > more

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