CERN accelerators

The LHC starts up

10 September 2008

At 10.28am on 10 September 2008 a beam of protons is successfully steered around the 27-kilometre Large Hadron Collider (LHC) for the first time. The machine is ready to embark on a new era of discovery at the high-energy frontier.

LHC experiments address questions such as what gives matter its mass, what the invisible 96% of the universe is made of, why nature prefers matter to antimatter and how matter evolved from the first instants of the universe’s existence.

Explore the resources prepared for press.

Timeline: 
The history of CERN
CERN accelerators
The Large Hadron Collider
The search for the Higgs boson
Archive of important events in CERN's history for press

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