The Sympsychograph
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In 1896, the picture above was published on the "Popular Science Monthly" by scientist David Starr Jordan. According to David, the image was produced by a device called the Sympsychograph, which captures images from people's minds and converts them into photographic film. In this case, the person had evidently been thinking of a cat. David meant his claim to be a joke, but hundreds of readers were fooled into believing that the Sympsychograph was a real invention.