Clark Cooper
Technology has advanced again, and your father feels out of date having all his boxes of old photographic slides sitting around when you could scan them for him and keep them electronically. You are scanning the slides. If you scan them at very low resolution—say one pixel per image—the job will be very efficient and quick but you get more or less nothing; a plain block that averages the colors of the whole picture. As you increase the resolution you get images that look less and less chunky, then less and less blurry, then more and more like the picture, and pretty soon you have something that to any unaided eye pretty much is the picture.
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