Physics Articles

• 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
• Fossil Fuels
  Petroleum
  Energy Policy
  Sports Science
  Fuel Cells
  Alternative Fuels
   
  

  Coal

  Coal is a fossil fuel extracted from the ground by underground mining or open-pit mining (strip mining). It is a readily combustible black or brownish-black sedimentary rock. Often associated with ... > more
• Wind Energy
  Renewable Energy
  Energy and the Environment
  Environmental Science
  Energy Technology
  Energy Policy
   
  

  Wind power

  Wind power is the conversion of wind energy into more useful forms, such as electricity, using wind turbines. At the end of 2006, worldwide capacity of wind-powered generators was 73.9 gigawatts; ... > more
• Batteries
  Electricity
  Energy and the Environment
  Energy Technology
  Vehicles
  Sports Science
   
  

  Battery electric vehicle

  A battery electric vehicle (BEV) is an electric vehicle that utilises chemical energy that is stored in rechargeable battery packs. Electric vehicles use electric motors instead of, or in addition ... > more
• Sports Science
  Technology
  Optics
  Detectors
  Medical Technology
  Aviation
   
  

  Photography

  Photography is the process of making pictures by means of the action of light. It involves recording light patterns, as reflected from objects, onto a sensitive medium through a timed exposure. The ... > more
• Sports Science
  Transportation Science
  Vehicles
  Construction
  Quantum Physics
  Civil Engineering
   
  

  Bicycle

  A bicycle, pushbike, or bike, is a pedal-driven land vehicle with two wheels attached to a frame, one behind the other. First introduced in 19th-century Europe, bicycles evolved quickly into their ... > more
• Inorganic Chemistry
  Materials Science
  Sports Science
  Chemistry
  Nanotechnology
  Vehicles
   
  

  Scale model

  A scale model is a representation or copy of an object that is larger or smaller than the actual size of the object being represented. Very often the scale model is smaller than the original and used ... > more
• Nature of Water
  Sports Science
  Vehicles
  Electronics
  Nanotechnology
  Inorganic Chemistry
   
  

  Flow measurement

  Flow measurement is the quantification of bulk fluid or gas movement. Volumetric flow rate is sometimes measured in "standard cubic centimeters per minute" (abbreviation sccm), a unit acceptable for ... > more
• Nature of Water
  Space Probes
  Sports Science
  Aviation
  Vehicles
  Space Exploration
   
  

  Water rocket

  Water rockets are like their model rocket cousins, except that these are powered by a combination of water and air pressure instead of a chemical propellant. The pressure vessel, the engine of the ... > more
• Aviation
  Vehicles
  Sports Science
  Weapons Technology
  Wind Energy
  Engineering
   
  

  Wright brothers

  The Wright Brothers, Orville Wright (August 19, 1871 - January 30, 1948) and Wilbur Wright (April 16, 1867 - May 30, 1912), are generally credited with the design and construction of the practical ... > more

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