Acoustics Articles

• Energy Technology
  Electricity
  Spintronics
  Medical Technology
  Electronics
  Sports Science
   
  

  Magnetic field

  In physics, a magnetic field is that part of the electromagnetic field that exerts a force on a moving charge. A magnetic field can be caused either by another moving charge (i.e., by an electric ... > more
• Earthquakes
  Natural Disasters
  Tsunamis
  Construction
  Sports Science
  Physics
   

  Richter magnitude scale

  The Richter magnitude test scale (or more correctly local magnitude ML scale) assigns a single number to quantify the size of an earthquake. It is a base-10 logarithmic scale obtained by calculating ... > more
• Spintronics
  Materials Science
  Graphene
  Physics
  Healthy Aging
  Attention Deficit Disorder
   
  

  Electron microscope

  The electron microscope is a type of microscope that uses electrons to create an image of the target. It has much higher magnification or resolving power than a normal light microscope. Although ... > more
• Aviation
  Vehicles
  Sports Science
  Weather
  Geography
  Air Quality
   
  

  Altimeter

  An altimeter is an active instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the ... > more
• Sports Science
  Sports Medicine
  Healthy Aging
  Attention Deficit Disorder
  Pregnancy and Childbirth
  Workplace Health
   
  

  Leonardo da Vinci

  Leonardo da Vinci (born April 15, 1452 in Vinci, Italy, and died on May 2, 1519 in Cloux, France) was an Italian Renaissance architect, musician, anatomist, inventor, engineer, sculptor, geometer, ... > more
• Batteries
  Energy Technology
  Electricity
  Fuel Cells
  Sports Science
  Biochemistry
   
  

  Battery (electricity)

  In science and technology, a battery is a device that stores chemical energy and makes it available in an electrical form. It consists of one or more voltaic cells, each of which is composed of two ... > more
• Organic Chemistry
  Extreme Survival
  Marine Biology
  Healthy Aging
  Chemistry
  Attention Deficit Disorder
   
  

  Oxygen

  Oxygen is a chemical element in the periodic table. It has the symbol O and atomic number 8. The element is the most common on Earth, composing around 46% of the mass of Earth's crust, and is the ... > more
• NASA
  Space Telescopes
  Astrophysics
  Space Exploration
  Galaxies
  Sports Science
   
  

  Edwin Hubble

  Edwin Powell Hubble (November 20, 1889 - September 28, 1953) was an American astronomer, noted for his discovery of galaxies beyond the Milky Way and the cosmological redshift. Edwin Hubble was one ... > more
• Physics
  Quantum Physics
  Optics
  Sports Science
  Energy Technology
  Spintronics
   
  

  Photoelectric effect

  The photoelectric effect is the emission of electrons from matter upon the absorption of electromagnetic radiation, such as ultraviolet radiation or x-rays. Upon exposing a metallic surface to ... > more
• Quantum Physics
  Physics
  Optics
  Albert Einstein
  Sports Science
  Graphene
   
  

  Wave-particle duality

  In physics and chemistry, wave-particle duality holds that light and matter exhibit properties of both waves and of particles. A central concept of quantum mechanics, duality addresses the inadequacy ... > more

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