Published on February 3, 2010
CERN’s Large Hadron Collider
What is CERN?
CERN is European Organization for Nuclear Research
CERN studies FUNDAMENTAL PARTICLES – the basic particles
What is the Large Hadron Collider?
The LARGE HADRON COLLIDER , or the LHC , is a machine built by CERN
Its point is to solve some questions about the universe
and to re-create the conditions after the BIG BANG
Then it will also be possible to see what will happen to the universe later
because it is approximately 27 km in circumference. Large Hadron Collider
Large Hadron Collider Hadrons are particles made only of QUARKS. *
because inside the machine, particles collide. Large Hadron Collider
* QUARKS and LEPTONS are FUNDAMENTAL PARTICLES
* Protons and neutrons are made up of QUARKS Electrons are types of LEPTONS
The first time it was lounged September 2008
During the first run, the magnets of the LHC cooled down, and the experiment couldn’t be carried out
It took over a year to fix the LHC
The next time it was lounged 20 Nov 2009
We do not know how long the experiment will last since no one has ever done it before
It might last for years
How does the LHC work?
Electrons are taken away from hydrogen atoms, so that only protons are left
By accelerating lead vapor, electrons are taken away from lead atoms, so that only the nucleus is left
Beams of HADRONS in the LHC are shot in different directions
At certain points, beams collide, gaining more speed
The maximum speed that the hadrons can reach is 0.999999991 the speed of light
Nothing can go faster than light. However, there is no limit to energy
Scientists hope to gain so much energy that it will be enough to create a model of the
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