Medical Technology Articles

• Space Probes
  Space Exploration
  Space Station
  Vehicles
  Aviation
  Sports Science
   
  

  Multistage rocket

  A multistage (or multi-stage) rocket is, like any rocket, propelled by the recoil pressure of the burning gases it emits as it burns fuel. What characterizes it as "multi-stage" is that it ... > more
• Sports Science
  Albert Einstein
  Computer Programming
  Mathematics
  Thermodynamics
  Computer Graphics
   
  

  Constructal theory

  The constructal theory of global optimization under local constraints explains in a simple manner the shapes that arise in nature. It is the thought that flow architecture comes from a principle of ... > more
• Healthy Aging
  Attention Deficit Disorder
  Organic Chemistry
  Chemistry
  Inorganic Chemistry
  Sports Science
   
  

  Catalysis

  In chemistry and biology, catalysis is the acceleration (increase in rate) of a chemical reaction by means of a substance, called a catalyst, that is itself not consumed by the overall reaction. A ... > more
• Petroleum
  Fossil Fuels
  Energy and Resources
  Energy and the Environment
  Rainforests
  Air Quality
   
  

  Natural gas

  Natural gas, commonly referred to as gas, is a gaseous fossil fuel consisting primarily of methane. It is found in oil fields and natural gas fields, as well as—in smaller quantities—in ... > more
• Sports Science
  Alternative Fuels
  Organic Chemistry
  Fuel Cells
  Energy and Resources
  Chemistry
   
  

  Alcohol

  In chemistry, alcohol is any organic compound in which a hydroxyl group (-OH) is bound to a carbon atom, which in turn is bound to other hydrogen and/or carbon atoms. In general usage, alcohol refers ... > 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
• Sports Science
  Vehicles
  Aviation
  Space Probes
  Space Exploration
  Space Station
   
  

  Model rocket

  Model rocketry is a hobby similar to building model airplanes. In the hobby today, there are two distinct areas of rocket activity: amateur (or experimental) rocketry, and model rocketry (including ... > more
• Ancient Civilizations
  Sports Science
  Weapons Technology
  Archaeology
  Anthropology
  Aviation
   
  

  Catapult

  Catapults are siege engines using an arm to hurl a projectile a great distance. Any machine that hurls an object can be considered a catapult, but the term is generally understood to mean medieval ... > more
• Chemistry
  Nature of Water
  Inorganic Chemistry
  Sports Science
  Organic Chemistry
  Energy and Resources
   
  

  Solubility

  Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent. It is measured in terms of the maximum amount of solute dissolved in a solvent ... > more
• Nature of Water
  Hypertension
  Heart Disease
  Thermodynamics
  Graphene
  Wounds and Healing
   
  

  Boiling

  Boiling is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to a temperature such that its vapor pressure is above that of the surroundings, such as air pressure. ... > more

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