Hank discusses the arrangement of the atoms in crystalline solids and how their atomic arrangement differs from amorphous solids. He mentions that each category of solid's atomic arrangement affects its properties, from how it breaks to its appearance. He also describes a couple of types crystalline solids: ionic and molecular.
Beakman shows how to make glass using sugar. He uses an animated clip to explain the process of how real glass is made from sand and how this is similar with sugar. Heated and cooles crystals will fuse together creating a sheet.