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:
“One of the great natural phenomena is the way in which a tube of toothpaste suddenly empties itself when it hears that you are planning a trip, so that when you come to pack it is just a twisted shell of its former self, with not even a cubic millimeter left to be squeezed out.”
—Robert Benchley (1889–1945)
““You are bothered, I suppose, by the idea that you can’t possibly believe in miracles and mysteries, and therefore can’t make a good wife for Hazard. You might just as well make yourself unhappy by doubting whether you would make a good wife to me because you can’t believe the first axiom in Euclid. There is no science which does not begin by requiring you to believe the incredible.””
—Henry Brooks Adams (1838–1918)