Graphene Articles

• Sports Science
  Materials Science
  Inorganic Chemistry
  Chemistry
  Hurricanes and Cyclones
  Severe Weather
   
  

  Polytetrafluoroethylene

  Polytetrafluoroethylene (PTFE) is a fluoropolymer discovered by Roy J. Plunkett (1910–1994) of DuPont in 1938. It was introduced as a commercial product in 1946 and (in an example of a ... > more
• Albert Einstein
  Black Holes
  Physics
  Quantum Physics
  Cosmology
  Sports Science
   
  

  General relativity

  General relativity (GR) is the geometrical theory of gravitation published by Albert Einstein in 1915. It unifies special relativity and Sir Isaac Newton's law of universal gravitation with the ... > more
• Botany
  Sports Science
  Sea Life
  Ecology Research
  Invasive Species
  Marine Biology
   
  

  Algae

  Algae (singular alga) encompass several different groups of living organisms that capture light energy through photosynthesis, converting inorganic substances into simple sugars using the captured ... > more
• Space Probes
  Aviation
  Vehicles
  Space Exploration
  Space Station
  Sports Science
   
  

  Rocket

  The traditional definition of a rocket is a vehicle, missile or aircraft which obtains thrust by the reaction to the ejection of fast moving fluid from within a rocket engine. There are many ... > more
• Technology
  Robotics Research
  Sports Science
  Transportation Science
  Batteries
  Medical Technology
   
  

  Mobile phone

  A mobile phone or cell phone is an electronic telecommunications device with the same basic capability as a conventional fixed-line telephone, but which is also entirely portable and is not required ... > more
• Air Quality
  Environmental Science
  Air Pollution
  Pollution
  Environmental Issues
  Thermodynamics
   
  

  Air conditioning

  An air conditioner (AC or air-con) is an appliance or mechanism designed to extract heat from an area using a refrigeration cycle. In construction, a complete system of heating, ventilation and air ... > more
• Energy and the Environment
  Alternative Fuels
  Renewable Energy
  Fossil Fuels
  Batteries
  Vehicles
   
  

  Alternative fuel vehicle

  Alternative Fuel Vehicle refers to a vehicle that runs on a fuel other than traditional gasoline or diesel; any method of powering an engine that does not involve petroleum. Due to a combination of ... > more
• 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
• 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
  Energy Policy
  Construction
  Civil Engineering
  Vehicles
  Transportation Science
   
  

  Fireworks

  A fireworks event (also called a fireworks display or fireworks show) is a spectacular display of the effects produced by firework devices on various occasions. Fireworks produce smoke and dust that ... > more

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