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The discs were intended for sale at the 1893 World's Columbian Exposition in Chicago, but seem to have sold very poorly and are quite rare. The discs were printed in black-and-white, with twelve different discs also produced as chromolithographed versions. Of the coloured versions only four different ones are known to still exist (with a total ...
A zoetrope is a pre-film animation device that produces the illusion of motion, by displaying a sequence of drawings or photographs showing progressive phases of that motion. A zoetrope is a cylindrical variant of the phénakisticope , an apparatus suggested after the stroboscopic discs were introduced in 1833.
In the early days of film the word "photoplay" was quite commonly used for motion pictures. This illustrates how a movie can be thought of as a photographed play.Much of the production for a live-action movie is similar to that of a theatre play, with very similar contributions by actors, a theatre director/film director, producers, a set designer, lighting designer, costume designer, composer ...
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Animal-made art consists of works by non-human animals, that have been considered by humans to be artistic, including visual works, music, photography, and videography. Some of these are created naturally by animals, often as courtship displays , while others are created with human involvement.
Animals typically have to be sedated for checkups, but new camera software allows zookeepers to check their health from afar. These innovative zoo cameras monitor animals’ health from afar Skip ...
The cameras were supplied to numerous observatories around the world and some remained in use until well into the 20th century. [5] [6] The earliest Daguerreotype photographers already took multiple shots of a subject, mostly to increase their chances of obtaining a successful picture. Making multiple shots of one subject was also a sensible ...
A camera trap is a camera that is automatically triggered by motion in its vicinity, like the presence of an animal or a human being. It is typically equipped with a motion sensor —usually a passive infrared (PIR) sensor or an active infrared (AIR) sensor using an infrared light beam.