Papyrus             Papyrus is a material similar to thick paper that was used in ancient times as a writing surface. It was made from the pith of the papyrus plant, Cyprus papyrus, a wetland sedge.  Papyrus can also refer to a document written on sheets of such material, joined together side by side and rolled up into a scroll, an early form of […]

Papers           Paper has various properties that contribute to its performance, the most notable of which are pH level, strength, opacity and whiteness. Acidity and alkalinity are measured on a scale known as the pH scale. Papers with a high level of acidity tend to deteriorate quickly. This is because the acids in the paper […]