Topic: SCIENCE - on April 6, 2012 at 1:31:00 PM CEST
LHC is back with big energy boost
The Large Hadron Collider (LHC) is operating again after its winter break.
Early on Thursday, opposing stable beams of protons were smashed into each other at four observation positions.
The total collision energy in these bunches of sub-atomic particles was eight trillion electron volts - a world record.
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