The illusion of motion was first achieved using spinning disks with radial slits
The illusion of motion was first scientifically demonstrated in 1833 using the Fantascope, a spinning disk that used radial slits to exploit the persistence of vision.
Long before the invention of the film projector, Belgian physicist Joseph Plateau created the Fantascope, also known as the phenakistiscope, in 1833. This device consisted of a disk featuring a series of slightly different images arranged around its center, with radial slits cut between them. When a viewer spun the disk and looked through the slits at a mirror, the rapid succession of images created the smooth illusion of a moving figure.
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