CINEMA TIP TOP FACTS!... The "Phenakistiscope"

The Phenakistoscope (from the Greek 'illusory spectator') is a toy invented by Joseph-Antoine Ferdinand Plateau to prove his theory of retinal persistence in 1829.

It consists of several drawings of the same object, in slightly different positions, distributed by a smooth circular plate. When that plate is rotated in front of a mirror, the illusion of a moving image is created.

After his invention, Plateau discovered that the number of images to achieve an optimal motion illusion was sixteen. Later the first filmmakers applied the notion of sixteen photograms per second for the first films.





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