The design also included a stand for the signal device so it could be thrown from a moving vehicle and remain standing in an upright position on the road. Later 1976 patent recommended a single glass ampoule that is suspended in a second substance, that when broken and mixed together, provide the chemiluminescent light. Several US patents for glow stick-type devices were issued in 1973-74. Chandross of Bell Labs.Įarly work on chemiluminescence was carried out at the same time, by researchers under Herbert Richter at China Lake Naval Weapons Center. Rauhut, ofĪmerican Cyanamid, based on work by Edwin A. Historyīis(2,4,5-trichlorophenyl-6-carbopentoxyphenyl)oxalate, trademarked "Cyalume", was invented in 1971 by Michael M. Industrial uses include marine, transportation, and mining. Glow sticks are also used for light in military andĮmergency services applications. Glow sticks are often used for recreation, such as for events, camping, outdoor exploration, and concerts. The light cannot be turned off and can be used only once. It consists of a translucent plastic tube containing isolated substances that, when combined, make light throughĬhemiluminescence. A glow stick, also known as a light stick, chem light, light wand, light rod, and rave light, is a self-contained, short-term light-source.
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