Are you ready to know about Thaumatrope? Do get ready cause I will start right now. Well, thaumatrope, is a Victorian toy constructed from a simple disk or card featuring a different picture on each side and attach two pieces of strings. When the strings are twirled rapidly, the card will rotates on its axis and then the two image will appear combine.
Thaumatrope was invented by John Aryton Paris, an English Physician in 1825. It was the first instrument to exploit the persistence the vision on the retina.
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The invention of thaumatrope means the 'turning marvel' and 'wonder turner' were the first of many optical toys, simple devices that continue to provide animated entertainment until the development of modern cinema. Although thaumatrope does not produce animated scenes, it relies on the same persistance of vision principle that other optical toys use to create illusions of motion.
Persistence of vision is the ability of the eye to retain an image for roughly 1/20 of a second after the object is gone. In this case, the eye continue to see two images on the other side of the thaumatrope shortly after each has disappeared. As the thaumatrope spins, a series of quick flashes is interpreted as one continuous image.
Most pairs of thaumatrope images were pictures that did not imply motion, such as running animals or dancing people. A thaumatrope could only take two images and merge them, essentially creating one still image from two.
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