Lantern
When ancient humans discovered fire, they soon after invented the lantern to protect that fire from wind and rain, or to prevent that fire from accidentally spreading beyond its confines. A fire on a wooden ship, for example, would be a catastrophe. The pirate code of Captain John Phillips, therefore, demanded that all flames below deck be protected by a lantern. Lamps were also used as signaling devices, as guiding lights, or as warnings (such as in a lighthouse). The ancient Chinese captured fireflies in semi-transparent containers for use as ceremonial lanterns. Many Asian festivals feature lanterns, such as the Ghost Festival, where lanterns are set afloat in a river or the sea to guide the lost souls of ancestors to the afterlife. Before the development of glass, lantern windows were made of flattened animal horn scraped paper-thin. Lanterns are a universal symbol of illumination, transcendence, and guiding light. Lanterns help light the way forward by pushing aside the surround