What is field model?

Some articles on field, model:

Gravitational Field
... In physics, a gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body ... Thus, a gravitational field is used to explain gravitational phenomena, and is measured in newtons per kilogram (N/kg) ... Following Newton, Laplace attempted to model gravity as some kind of radiation field or fluid, and since the 19th century explanations for gravity have usually ...

Famous quotes containing the words model and/or field:

    If the man who paints only the tree, or flower, or other surface he sees before him were an artist, the king of artists would be the photographer. It is for the artist to do something beyond this: in portrait painting to put on canvas something more than the face the model wears for that one day; to paint the man, in short, as well as his features.
    James Mcneill Whistler (1834–1903)

    I learn immediately from any speaker how much he has already lived, through the poverty or the splendor of his speech. Life lies behind us as the quarry from whence we get tiles and copestones for the masonry of today. This is the way to learn grammar. Colleges and books only copy the language which the field and the work-yard made.
    Ralph Waldo Emerson (1803–1882)