Medium - Natural Science

Natural Science

  • Processing medium, in industrial engineering, a material that plays a role in manufacturing processes
  • Excitable medium, a nonlinear dynamic system which has the capacity to propagate a wave
  • Gain medium, a quantum system that allows amplification of power (gain) of waves passing through (usually by stimulated emission)
  • Growth medium (or culture medium), in biotechnology, an object in which microorganisms or cells experience growth
  • Interplanetary medium, in astronomy, material which fills the solar system
  • Interstellar medium, in astronomy, the matter and energy content that exists between the stars within a galaxy
  • Porous medium, in engineering and earth sciences, a material that allows fluid to pass through it, such as sand

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Famous quotes containing the words natural and/or science:

    “Fielding being mentioned, Johnson exclaimed, “he was a blockhead ....” BOSWELL. “Will you not allow, Sir, that he draws very natural pictures of human life?” JOHNSON. “Why, Sir, it is of very low life. Richardson used to say, that had he not known who Fielding was, he should have believed he was an ostler.””
    —Samuel Johnson (1709–1784)

    “It is an axiom in political science that unless a people are educated and enlightened it is idle to expect the continuance of civil liberty or the capacity for self-government.”
    —Texas Declaration of Independence (March 2, 1836)