Gunpowder was discovered in the 9th century by Chinese alchemists searching for an elixir of immortality [REF].
Papermaking has traditionally been traced to China about AD 105, when Cai Lun, an official attached to the Imperial court during the Han Dynasty (202 BC-AD 220), created a sheet of paper using mulberry and other bast fibres along with fishnets, old rags, and hemp waste [REF].