Metadata for Photos and Other Media Computer Files.

What is this thing called metadata Metadata is generally defined as data that describes other data. Concerning media files though, it is considered as information attached to that file which may define and describe an image or audio file etc. and may also be used to control how it may be used. How do we…

Magic Lanterns and Early Slide Shows

Englishman Samuel Pepys commented in his diary 1n 1666 of a Mr Reeves demonstrating a “lanthorn that shows tricks”, which so impressed him that he purchased it. Early magic lantern projectors were also described by the Jesuit scientist Athanasius Kircher in 1671. This was about 200 years before the first photographs were made and so…

Photo Formats

In the beginning the only means available to preserve the likeness of a person or scene was a painting or sketch and because of the cost involved was only available to the rich. The first practical photographic format was the Daguerreotype developed in France in 1838. The process created a not too clear image by…