Back in the Stone Age, people learned to process volcanic glass - obsidian. It was used to make arrowheads, axes and other cutting tools! Since then, this unique material has evolved next to humans. Today, glass is an integral part of every room, used in exterior and interior decoration. It maximizes light fluxes and expands space. The possibilities of this material are endless. It is durable, environmentally friendly, durable, non-combustible, and relatively easy to cut and process. This allows you to make stained glass, door canvases, decorations from glass... Optical devices, lenses, telescopes, glasses would not appear in our lives without opening the glass. Today, thanks to huge mirror telescopes, we have the opportunity to look into other galaxies! For a modern person, glass has become something ordinary, but we want to tell you as much as possible about this fabulous material that is born in the crucible of fire. Read on!