From randommotion.com
The thaumatrope was invented in the 1820s and it proved the phenomena of persistence of vision. The word "thaumatrope" has Greek roots. "Thauma" means magic in Greek and "trope" refers to something that turns. The thaumatrope is somewhat magical because it creates illusions dependent on persistence of vision.
When you spin a thaumatrope, the two images on either side seem to blend together and become one picture. If you spin the thaumatrope very fast, this illusion is strong. If you spin the thaumatrope more slowly, you may perceive simple movement instead of one single image. You might also notice as the thaumatrope spins that the illusion is the strongest near its center line, or axis, where the pictures are most continuously visible.
The thaumatrope was invented in the 1820s and it proved the phenomena of persistence of vision. The word "thaumatrope" has Greek roots. "Thauma" means magic in Greek and "trope" refers to something that turns. The thaumatrope is somewhat magical because it creates illusions dependent on persistence of vision.
When you spin a thaumatrope, the two images on either side seem to blend together and become one picture. If you spin the thaumatrope very fast, this illusion is strong. If you spin the thaumatrope more slowly, you may perceive simple movement instead of one single image. You might also notice as the thaumatrope spins that the illusion is the strongest near its center line, or axis, where the pictures are most continuously visible.
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