World’s Largest Particle Collider Back In Action
The world’s largest particle collider is back in business. The Large Hadron Collider broke down last fall. It has taken a year to repair, but this month it began smashing again at record energies. Scientists at CERN, Europe’s particle physics lab, are eagerly preparing for a new era in the field.
It’s the middle of the night in a room that looks like mission control. There are huge flat screen monitors lining the walls, and about a dozen people are watching those monitors carefully. But instead of looking up, this mission control is looking down. About 300 feet below is a detector the size of a five-story building.
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