Human: Where is the Large Hadron Collider? Assistant: 
The Large Hadron Collider is located near Geneva, Switzerland. It is a particle accelerator that is used to study the basic constituents of matter. The collider is a 27 km ring, and it accelerates protons to nearly the speed of light before they smash into each other. The LHC is a particle accelerator that smashes particles together at near the speed of light. It is the largest and most powerful particle accelerator in the world.