Thaumatrope
The Thaumatrope was first shown by John Ayrton in Paris in 1824.
It is a disk with a different image on each side and strings on its edges. When the disk is spun at about 20 RPS, the images merge.
The Thaumatrope was first shown by John Ayrton in Paris in 1824.
It is a disk with a different image on each side and strings on its edges. When the disk is spun at about 20 RPS, the images merge.
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