Engineering Articles

• Aviation
  Vehicles
  Weapons Technology
  Sports Science
  Nuclear Energy
  Transportation Science
   
  

  Cruise missile

  A cruise missile is a guided missile which uses a lifting wing and most often a jet propulsion system to allow sustained flight. Cruise missiles are, in essence, unmanned aircraft. They are generally ... > more
• Energy and the Environment
  Wind Energy
  Electricity
  Sustainability
  Water
  Nature of Water
   
  

  Water turbine

  A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. ... > more
• Nuclear Energy
  Weapons Technology
  Energy and the Environment
  Renewable Energy
  Sports Science
  Physics
   
  

  Plutonium

  Plutonium is a radioactive, metallic, chemical element. It has the symbol Pu and the atomic number 94. It is the element used in most modern nuclear weapons. The most important, albeit not most ... > more
• Sports Science
  Organic Chemistry
  Graphene
  Electronics
  Materials Science
  Nature of Water
   
  

  Steel

  Steel is a metal alloy whose major component is iron, with carbon being the primary alloying material. Varying the amount of carbon and its distribution in the alloy controls qualities such as the ... > 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
• 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
  Inorganic Chemistry
  Chemistry
  Materials Science
  Civil Engineering
   
  

  Viscosity

  Viscosity is a measure of the resistance of a fluid to deformation under shear stress. It is commonly perceived as "thickness", or resistance to pouring. Viscosity describes a fluid's internal ... > more
• Medical Technology
  Sports Science
  Technology
  Optics
  Physics
  Aviation
   
  

  Radio

  Radio waves are a form of electromagnetic radiation, created whenever a charged object (in normal radio transmission, an electron) accelerates with a frequency that lies in the radio frequency (RF) ... > more
• Aviation
  Vehicles
  Sports Science
  Energy Policy
  Transportation Science
  Engineering
   
  

  Concorde

  The Aerospatiale-BAC Concorde supersonic transport (SST) was one of only two models of supersonic passenger airliners to have seen commercial service. Concorde had a cruise speed of Mach 2.02 (around ... > more
• Technology
  Computer Programming
  Communications
  Sports Science
  Computer Graphics
  Video Games
   
  

  Videoconferencing

  A videoconference (also known as a videoteleconference) is a set of interactive telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions ... > more

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