| − | The '''Large Hadron Collider''' (LHC) is a [[particle accelerator]], with a circumference of 27km, located at the [[CERN]] facility which straddles the border of France and Switzerland. Built over 15 years at a cost of $9 billion, it is the largest and most ambitious piece of machinery ever conceived and built by man. | + | The '''Large Hadron Collider''' (LHC) is a [[particle accelerator]], with a circumference of 27km, located at the [[CERN]] facility which straddles the border of France and Switzerland. Built over 15 years at a cost of $9 billion. |