![]() ![]() Combine that with the fact that virtually every digital image file is compressed to save space, and a solution to the mystery begins to suggest itself.Ĭompressing a file requires two steps: first, the encoding, during which the file is converted into a more compact format, and then the decoding, whereby the process is reversed. Instead, it scans the document digitally, and then prints the resulting image file. ![]() They needed a computer scientist because a modern Xerox photocopier doesn’t use the physical xerographic process popularized in the nineteen-sixties. The company contacted the computer scientist David Kriesel to investigate this seemingly inconceivable result. However, in the photocopy, all three rooms were labelled as being 14.13 square metres in size. ![]() In the original floor plan, each of the house’s three rooms was accompanied by a rectangle specifying its area: the rooms were 14.13, 21.11, and 17.42 square metres, respectively. In 2013, workers at a German construction company noticed something odd about their Xerox photocopier: when they made a copy of the floor plan of a house, the copy differed from the original in a subtle but significant way. ![]()
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