Ancient Egyptians make glass beads, the earliest-known examples of the material. Roughly 2,400 years later, glass is blown into watertight vessels.
2,000 B.C.: People in Anatolia and Persia begin producing iron from metal ores.
1750: Britain grants the first glue patent for an adhesive derived from fish. Cascades of natural and synthetic glues follow in its sticky footsteps.