How are glow sticks used today?  How has it changed since they were first invented by the US Navy back in the 1960’s? It is true that they are still being used on military missions when a low light reliable source is necessary, but the civilian population has also become reliant on them in sport and other activities that occur after the sun goes down.Since the glow stick is self reliant and water proof, many people have found use of them in their outdoor activities instead of using la …