In pictures: Large Hadron Collider
Left: the area on the Franco-Swiss border under which the LHC has been built. Right: a computer-generated graphic showing the structure of the LHC, 100 metres underground. The idea for an LHC was first put forward in the early 1980s but the project wasn't approved by the European Organisation for Nuclear Research (CERN) until 1994
Scientists are about to switch on the biggest piece of scientific apparatus ever constructed








