Page last updated at 04:06 GMT, Saturday, 21 November 2009

Cheers greet Large Hadron Collider restart


Scientists applauded as sub-atomic beams began circulating the world's most powerful particle accelerator again.

The giant Large Hadron collider, built to reproduce "Big Bang" conditions, was operating again after a year's delay, the European Organisation for Nuclear Research (Cern) said.


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