The [[Large Hadron Collider]] (LHC) is a particle accelerator, with a circumference of 27km, located at the CERN facility located on 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 located on 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. |