A picture created by projecting an image onto a photosensitive surface such as a chemically treated plate or film, CCD receptor, etc.
2012-03, w, Pixels or Perish, Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs: These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.
