European Organization for Nuclear Research

The European Organization for Nuclear Research, known as CERN (/sɜːrn/; French pronunciation: [sɛʁn]; Organisation européenne pour la recherche nucléaire), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, western suburb of Geneva, on the France–Switzerland border.

For more information, see Wikipedia.