What is source?

  • (noun): Someone who originates or causes or initiates something.
    Synonyms: generator, author
    See also — Additional definitions below

Some articles on source:

Philo Farnsworth - Inventions - Fusor
... Hopes at the time were high that it could be quickly developed into a practical power source ... as with other fusion experiments, development into a power source has proven difficult ... Nevertheless, the fusor has since become a practical neutron source and is produced commercially for this role ...
Arago Spot - Experimental Aspects - Deviation From Circularity
... shape (but it still has a sharp edge on a smaller scale) the shape of the point-source Arago spot changes ... Note that this is only the case if the source is close to an ideal point source ... From an extended source the Arago spot is only affected marginally, since one can interpret the Arago spot as a point-spread function ...
Arago Spot - Experimental Aspects - Intensity and Size
... For an ideal point source the intensity of the Arago spot equals that of the undisturbed wave front ... Only the width of the Arago spot intensity peak depends on the distances between source, circular object and screen, as well as the source's wavelength and the diameter of the circular object ... to the optical axis and using a plane wave source (point source at infinity) where r is the distance of the point on the screen from the optical axis d is the diameter of circular ...
Homesteading The Noosphere
... Raymond about the social workings of open-source software development ... well as investigating possible anthropological roots of the gift culture in open source as contrasted with the exchange culture of closed source software ... the nature of the spread of open source into the untamed frontier of ideas he terms the noosphere, postulating that projects that range too far ahead of their time fail because they are too far out in the wilderness ...
Unsealed Source Radiotherapy
... Unsealed source radiotherapy relates to the use of soluble forms of radioactive substances which are administered to the body by injection or ingestion ... Sealed-source therapy, in which the radioisotope remains in a capsule or metal wire during therapy and is never allowed to dissolve in fluids, is usually referred to as brachytherapy ...

More definitions of "source":

  • (noun): A document (or organization) from which information is obtained.
    Example: "The reporter had two sources for the story"
  • (verb): Specify the origin of.
    Example: "The writer carefully sourced her report"
  • (noun): A person who supplies information.
    Synonyms: informant
  • (noun): A publication (or a passage from a publication) that is referred to.
    Example: "He spent hours looking for the source of that quotation"
    Synonyms: reference
  • (noun): The place where something begins, where it springs into being.
    Example: "Pittsburgh is the source of the Ohio River"
    Synonyms: beginning, origin, root, rootage
  • (noun): (technology) a process by which energy or a substance enters a system.
    Example: "A heat source"; "a source of carbon dioxide"
  • (noun): A facility where something is available.
  • (noun): Anything that provides inspiration for later work.
    Synonyms: seed, germ
  • (noun): Anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies.
    Synonyms: reservoir
  • (verb): Get (a product) from another country or business.
    Example: "She sourced a supply of carpet"; "They are sourcing from smaller companies"

Famous quotes containing the word source:

    As a means of contrast with the sublime, the grotesque is, in our view, the richest source that nature can offer.
    Victor Hugo (1802–1885)

    In the order of literature, as in others, there is no act that is not the coronation of an infinite series of causes and the source of an infinite series of effects.
    Jorge Luis Borges (1899–1986)

    The act of birth is the first experience of anxiety, and thus the source and prototype of the affect of anxiety.
    Sigmund Freud (1856–1939)