A glow stick, also known as a light stick or chem light, is a self-contained, short-term light-source. It consists of a translucent plastic tube containing isolated substances that, when combined, make light through chemiluminescence. The light cannot be turned off and can be used only once.
Glow sticks are often used for recreation, such as for events, camping, outdoor exploration, and concerts. Glow sticks are also used for light in military and emergency services applications. While glow sticks have gained universal renown for lighting-up festivals and parties around the world, they still retain an important function within the military and emergency services today. Made by American Cyanamid Company Chemical Light.
