(Conseil Europeen pour la Recherche Nucleaire, European Organization for Nuclear Research, Geneva, Switzerland, www.cern.ch) The world's largest particle physics laboratory. Founded in 1954, European countries are CERN's Member States with the U.S., Japan, Russia and others having observer status. To enhance collaboration on research documents pertaining to particle physics, the World Wide Web was invented at CERN in the early 1990s. See World Wide Web.
