The Large Hadron Collider

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In September 2008, the world's biggest science experiment, the Large Hadron Collider, was started up for the first time at the European Organisation For Nuclear Research, or CERN, in Geneva. Simon Watts talks to Paul Collier, a British engineer whose team built the multi-billion dollar machine designed to investigate the structure of the universe. PHOTO: Inside the Large Hadron Collider (Getty Images)