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For other meanings of "medium," see Medium (disambiguation).
A medium (plural media) is a carrier of something. Common things carried by media include information, art, or physical objects. A medium may provide transmission or storage of information or both.
By metonymy, the industries which produce news and entertainment content for the mass media are often called "the media" (in much the same way the newspaper industry is called "the press"). In the late 20th century it became commonplace for this usage to be construed as singular ("The media is...") rather than as the traditional plural.
Types of media
A medium is characterized by what it carries, as follows:
Information media
- Speech, gestures, telephone.
- Stone scores, audio and video recordings, hard disks
- Paper, letter mail
- Mass media: recitations, newspaper, magazine, movies, broadcast media (television, radio, streaming media), Compact discs, DVDs, videocassettes
- Interactive media: computer games, online games, video games, edutainment, interactive television
- The Internet is a mix of mass media and personal media
Regional media
Art media
- In art, the medium is the material in which an artist works (ie paint, wood, marble, steel, etc).
Physical object media
In biology and chemistry, a solvent serves as a medium for molecules.
A medium through which waves propagate may be classified as follows:
- Linear medium, if different waves at any particular point in the medium can be added;
- Bounded medium, if it is finite in extent, otherwise unbounded medium;
- Uniform medium, if its physical properties are unchanged at different points;
- Isotropic medium, if its physical properties are the same in different directions.
Quotations
Marshall McLuhan was famous for saying "The medium is the message."
See also
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