The XQ forty-nine Phenakistoscope Extracard

The phenakistoscope uses the persistence of motion principle to create an illusion of motion. Although this principle had been recognized by the Greek mathematician Euclid and later in experiments by Newton, it was not until 1829 that this principle became firmly established by Joseph Plateau. In order to see the animation on the card you need: - the Phenakistoscope card of the XQ forty-nine deck - a spinning movement of the card, for example use the card spin flourish - a mobilephone to film. View the rotating card through a cameraphone or any other camera with a digital display shooting at 30FPS and watch the card spring to life. - bright light. The brighter the light, the clearer the animation will appear.

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