The Large Hadron Collider is a particle accelerator that will create conditions similar to those in the first moments after the Big Bang. Scientists will search for undiscovered particles as they try to complete a subatomic picture of the universe. June 20, 2012 8:57 AM Facebook Twitter Show more sharing options Share Close extra sharing options Facebook Twitter LinkedIn Email Copy Link URLCopied! Print Sources: European Organization for Nuclear Research, ESRI. Graphics reporting by John Johnson and Julie Sheer. Graphic by Raoul Rañoa / Los Angeles Times. Graphics are schematic.