Horse Lovers Rejoice! Yesterday's "Google Doodle" was the first animation by Eadweard Muybridge, which he composed to answer the question of whether a horse's four legs are airborne at the same time while trotting. Why did Google choose to feature such a doodle?  Yesterday would have been his 182nd Birthday. The images produced were viewed on a device that Muybridge invented called the zoopraxiscope, through the device the images appeared to be in motion.  The slow-motion images showed ...