Was the first optical toy to create a true sense of motion.
The Phenakistascope or spindle viewer was invented in 1831 by Belgian physicist Joseph Plateau and simultaneously in Vienna by Simon Stampfer who called his invention a stroboscope.
The Phenakistascope consists of a disc with 10-
Plateau realised that if he drew images which changed slightly each time showing a sequence of moves the brain would interpret this as a moving image.
He decided that in order to create a good sense of movement the eye needed to see
16 individual images or frames per second. Old silent films run at 16-
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