Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. European Organization for Nuclear Research, better known as CERN, is an international organization consisting of 20 member states established in 1954, operating the largest particle physics laboratory in the world. Numerous experiments have been constructed at CERN by international collaborations to make use of them. CERN's main function is to provide the particle accelerators such as the famous Large Hadron Collider and other infrastructure needed for high-energy physics research. Learn more about the European Organization for Nuclear Research in this book.