Amazingly, some of this paper even has ink marks on it, proving that ink was invented much earlier than historians had supposed.
Paper-making technology also spread west through Tibet and then south into India.
In 751 CE, the armies of Tang China and the ever-expanding Arab Abbasid Empire clashed in the Battle of Talas River, in what is now Kyrgyzstan.
The Koreans also used rice straw and seaweed, expanding the types of fiber available for paper production.
This early adoption of paper fueled the Korean innovations in printing, as well.
A paper on the research was recently published in the journal ACS Applied Materials and Interfaces.
Even in the era of emails and digital books, paper is all around us.Paper is in shopping bags, money, store receipts, cereal boxes, and toilet paper. So, where did this marvelously versatile material come from?According to ancient Chinese historical sources, a court eunuch named Ts'ai Lun (or Cai Lun) presented the newly-invented paper to the Emperor Hedi of the Eastern Han Dynasty in 105 CE.Metal movable type was invented by 1234 CE on the peninsula.Around 610 CE, according to legend, the Korean Buddhist monk Don-Cho introduced paper-making to the court of Emperor Kotoku in Japan.Despite predictions that writing paper may soon "go extinct," people are still using an awful lot of the stuff, often for notes that don't need to be kept very long.That's why a number of groups have developed so-called rewritable paper, with an interesting example of the technology recently being created by scientists in China.200 BCE, have been unearthed in the ancient Silk Road cities of Dunhuang and Khotan, and in Tibet.The dry climate in these places allowed the paper to survive for up to 2,000 years without entirely decomposing.The historian Fan Hua (398-445 CE) recorded this version of events, but archaeological finds from western China and Tibet suggest that paper was invented centuries earlier.Samples of even more ancient paper, some of it dating to c.