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'Big Bang' machine fixed.

Summary: Engineers have fixed the "Big Bang big bang

Model of the origin of the universe, which holds that it emerged from a state of extremely high temperature and density in an explosive expansion 10 billion–15 billion years ago.
" machine after an electrical fault led to it being shut-down in September last year.

Engineers have fixed the "Big Bang" machine after an electrical fault led to it being shut-down in September last year.

The last of 53 replacement magnets for the Large Hadron Collider This article or section contains information about an expected future scientific facility.
It is likely to contain information of a speculative nature and the content may change as the facility approaches completion.
 (LHC LHC Large Hadron Collider
LHC Lahore High Court
LHC Lonely Hearts Club
LHC Lake Havasu City (Arizona, USA)
LHC Log Homes Council
LHC Left-Hand Circular
LHC Les Horribles Cernettes (band) 
)- the largest scientific instrument ever built - has been lowered into the 16-mile tunnel straddling strad·dle  
v. strad·dled, strad·dling, strad·dles
a. To stand or sit with a leg on each side of; bestride: straddle a horse.

 the Swiss-French border which houses the machine.

And scientists say they are back on track to re-start the particle accelerator in the autumn.

The LHC, based at the Swiss headquarters of the European nuclear research organisation Cern, was switched on in September last year amid a fanfare of publicity.

But just ten days later the electrical fault led to a catastrophic leak of helium - which is used to cool the machine's powerful magnets - causing a complete shut-down.

The LHC is designed to collide sub-atomic particles together at energies never before attained.

It will re-create the conditions moments after the Big Bang which gave birth to the universe 13.7 billion years ago.

A key aim of the LHC is to find the elusive Higgs Boson boson: see elementary particles; Bose-Einstein statistics.

Subatomic particle with integral spin that is governed by Bose-Einstein statistics.
 - nicknamed the "God Particle" - which is believed by theoretical physicists to explain the existence of mass.

There is also a chance of the machine creating tiny short-lived black holes, a fact which led to some wild speculation about the Earth being doomed by out-of-control experiments.

Repairing the collider col`lid´er

n. 1. (Physics) a particle accelerator in which two separate beams of particles (usually of opposite charge) are circulated in opposite directions and directed so as to collide head on.
 has cost in the region of Au24 million, but this figure is a pittance when compared to the Au7 billion spent on the LHC and its construction.

Independent Television News Limited 2009. All rights reserved.

Independent Television News Limited 2009. All rights reserved.

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Publication:Independent Television News Limited (ITN)
Date:May 3, 2009
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