Time dating paper
20-Apr-2020 20:32
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Papyrus is prepared by cutting off thin ribbon-like strips of the interior of the Cyperus papyrus, and then laying out the strips side-by-side to make a sheet.
A second layer is then placed on top, with the strips running at right angle to the first.
The earliest extant paper fragment was unearthed at Fangmatan in Gansu province, and was likely part of a map, dated to 179–141 BCE.
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This produces a much more even surface, and no natural weak direction in the material which falls apart over time.
Paper, by contrast, gave a good, uniform writing surface that could be smoothly rolled and unrolled without damage, while remaining relatively durable.
