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Engineers on Friday fitted the last major piece into what they say will be the world’s largest scientific instrument: a nuclear particle accelerator in a 17-mile tunnel under the Swiss-French border.
The wheel-shaped piece of equipment, with a diameter of about 30 feet, was lowered down a 330-foot shaft and fitted with other equipment.
The $2 billion project, under construction since 2003, appeared to be on target for completion by this summer.
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Page compiled from Tribune news services.
