Warning

This demonstration contains FLASHING IMAGES at variable frequencies. If you are at risk of a seizure due to photosensitive epilepsy or other conditions, please do NOT continue on this page.

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Sweet
Spot:

137.5°

Inspired by 3D zoetropes like Pixar's Toy Story zoetrope and John Edmark's Blooms, this was an attempt to create something similar on a webpage with the browser's frame rate acting like a stroboscope. Here, a circular image is rotated by a given angle between each frame. Use the +/- buttons (or the A/Z keys) to control the rotation speed.

Since the phenakistiscope and the zoopraxiscope also used spinning discs (and slits to create a succession of 'frames'), the discs for these 19th century devices lend themselves well to be animated here too.

Want to make some phyllotactic spirals yourself? Check out the parastichies explorer!
 

Image Sources:
Optical Illusion Disc With Man Pumping Water. , 1833. [Haymarket, London: Pubd. by T. McLean] Photograph. loc.
Optical Illusion Disc With Man and Frog. , 1833. [Haymarket, London: Pubd. by T. McLean] Photograph. loc.
Politeness. , 1833. [Haymarket, London: Published by Thos. McLean] Photograph. loc.
Optical Illusion Disc With Man Jumping Rope and a Man Sticking Out His Tongue. , 1833. [Haymarket, London: Pubd. by T. McLean] Photograph. loc.
Muybridge, Eadweard, Artist. The Zoopraxiscope - A Couple Waltzing. , ca. 1893. Photograph. loc.
Muybridge, Eadweard, Artist. The zoopraxiscope--Horse galloping. , ca. 1893. Photograph. loc.

 

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