Question

what is large hadron collider..?!?

Answer 1

The Large Hadron Collider is the world's largest and most powerful particle collider, the most complex experimental facility ever built, and the largest single machine in the world.

Answer 2

It is the largest single machine in the world and the most powerful particle collider. It has a 27km ring and a powerful magnet situated inside the French -Swiss border at the Cern laboratory in Geneva.