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CERN and its Machines

CERN is now the world's largest particle physics research centre and has become a shining example of international collaboration. CERN's business is pure science, exploring nature's most fundamental questions:
What is matter? 
Where does it come from?
How does it stick together into complicated objects like stars, planets, and human beings? 
At CERN, particle beams probe the heart of matter, and the Laboratory's researchers study millions of particle collisions in an effort to find the answers to these questions.
Some 7000 scientists, half of the world's particle physicists, use CERN's facilities. They represent 500 universities and over 80 nationalities.
The Laboratory sits astride the Franco-Swiss border west of Geneva at the foot of the Jura mountains.

Its accelerator complex has evolved over nearly half a century. Soon CERN's flagship accelerator, the Large Electron-Positron collider, LEP, will be dismantled and the Large Hadron Collider or LHC, will be installed in its place in a tunnel, 27 kilometers in circumference, deep underground.

The LEP/LHC ring is marked by a large white circle. Geneva airport's 4 kilometre long runway, visible in the foreground, gives an idea of the scale of CERN's mighty machines.

To be continued

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