Photo: Large Hadron Collider Restart Delayed Until September



A replacement magnet is lowered into sector 3-4 of the Large Hadron Collider, the world's largest atom smasher, on January 19, 2009.

Repairs to an electrical glitch last year that shut down the collider are taking longer than expected, and in February 2009 officials with the European Organization for Nuclear Research confirmed that the machine won't start up again until late fall.

Photograph copyright CERN Geneva


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