history 101

Motion pictures were developed scientifically long before their artistic or commercial possibilities were realized and explored. One of the earliest scientific advances leading directly to the development of motion pictures was the publication of a paper by the English scholar Peter Mark Roget in 1824, enunciating the principle of “The Persistence of Vision with Regard to Moving Objects.” It established that the human eye retains an image for a fraction of a second longer than the image is actually present. Roget's paper inspired scientists to invent various ways to demonstrate the principle.


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