Wikipedia:POTD column/December 21, 2006
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An animated image of Eadweard Muybridge's pioneering high speed photography, demonstrating that a horse's feet all leave the ground during a gallop. Muybridge used a battery of cameras lined along a track. The first camera had to be triggered manually, but the rest were automatically triggered by an electronic apparatus he designed.
Animation credit: Waugsberg, from photos by Eadweard Muybridge
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