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• Chemistry
  Inorganic Chemistry
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  Graphene
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  Halogen

  The halogens are a chemical series. They are the elements in Group 17 (old-style: VII or VIIA) of the periodic table: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At) and the as ... > more
• Sports Science
  Chemistry
  Inorganic Chemistry
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  Spintronics
   
  

  Thallium

  Thallium is the chemical element in the periodic table that has the symbol Tl and atomic number 81. This soft gray malleable poor metal resembles tin but discolors when exposed to air. Thallium is ... > more
• Healthy Aging
  Attention Deficit Disorder
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  Polychlorinated biphenyl

  Polychlorinated biphenyls (PCBs) are a class of organic compounds with 1 to 10 chlorine atoms attached to biphenyl. Although the physical and chemical properties vary widely across the class, PCBs ... > more
• Technology
  Robotics Research
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  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
• Physics
  Quantum Physics
  Astrophysics
  Black Holes
  Albert Einstein
  Nuclear Energy
   
  

  Physics

  Physics is the science of matter and its motion—the science that deals with concepts such as force, energy, mass, and charge. As an experimental science, its goal is to understand the natural ... > more
• Quantum Physics
  Physics
  Sports Science
  Spintronics
  Black Holes
  Cosmic Rays
   
  

  Quark

  Quarks are one of the two basic constituents of matter in the Standard Model of particle physics. (The others are leptons.) Antiparticles of quarks are called antiquarks. Quarks and antiquarks are ... > more
• Civil Engineering
  Geology
  Earthquakes
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  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
• Sports Science
  Chemistry
  Inorganic Chemistry
  Physics
  Materials Science
  Spintronics
   
  

  Platinum

  Platinum is a chemical element in the periodic table that has the symbol Pt and atomic number 78. A heavy, malleable, ductile, precious, grey-white transition metal, platinum is resistant to ... > more
• Robotics
  Artificial Intelligence
  Robotics Research
  Engineering
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  Detectors
   
  

  Humanoid robot

  A humanoid robot is a robot with its overall appearance based on that of the human body. In general humanoid robots have a torso with a head, two arms and two legs, although some forms of humanoid ... > 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

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