Blown glass is a technique used to shape molten glass into various forms by blowing air into it through a tube. This process allows artisans to create intricate designs and shapes, ranging from simple vessels to elaborate sculptures. The glass is heated in a furnace until it becomes pliable, and then the artist uses tools to manipulate it while blowing. The art of blown glass dates back to the Roman Empire, where it was first developed. Today, it remains a popular craft, with many artists and studios dedicated to creating unique pieces. Techniques have evolved, but the fundamental process remains the same.