A Fly in the Ointment

The Chinese court official Ts’ai Lun (often written Cai Lun) is credited with the invention of paper in 105 A.D., although he and his countrymen were almost certainly experimenting for some time before his announcement of their success to the emperor. The manufacturing process did not change much for hundreds of years, until the invention of suitable machinery in the nineteenth century, and is still used to some extent to produce hand-made paper today. Continue reading