|
|
In the contemporary world the practical applications of the photographic
medium are legion: it is an important tool in education, medicine,
commerce, criminology, and the military. Its scientific applications
include aerial mapping and surveying, geology, reconnaissance, meteorology,
archaeology, and anthropology. New techniques such as holography,
a means of creating a three-dimensional image in space, continue
to expand the medium's technological and creative horizons. In astronomy
the charge coupled device (CCD) can detect and register even a single
photon of light.
|
