Explanation: About the Large Hadron Collider:

• The Large Hadron Collider is a giant, complex machine built to study particles that are the smallest known building blocks of all things.
• It is a 27-km-long track-loop buried 100 meters underground on the Swiss-French border.
• It has been built by the European Organization for Nuclear Research (CERN) between 1998 and 2008 in collaboration with over 10,000 scientists from hundreds of universities and laboratories.
• It is the world’s largest and most powerful particle accelerator.

Source: EPIC July 2022