Where is the world's largest particle accelerator located?
The Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator. It is the largest single machine in the world. It was built by the European Organization for Nuclear Research (CERN) between 1998 and 2008 in collaboration with over 10,000 scienti sts and engineers from over 100 countries, as well as hundreds of universities and laboratories.
It lies in a tunnel 27 kilometres (17 miles) in circumference, as deep as 175 metres (574 feet) beneath the France–Switzerland border near Geneva, Switzerland. Its first research run took place from March 30, 2010 to February 13, 2013 at an initial energy of 3.5 teraelectronvolts (TeV) per beam (7 TeV total), almost 4 times more than the previous world record for a collider.
The LHC's aim is to allow physicists to test the predictions of different theories of particle physics and high energy physics. The LHC is always operating at the very boundaries of scientific knowledge. Physicists hope that the LHC will clearly help answer some of the fundamental open questions in physics, concerning the basic laws governing the interactions and forces among the elementary objects, the deep structure of space and time, and in particular the interrelationship between quantum mechanics and general relativity.
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