In a few months, LHC will search for dark matter particles, which make up about 25 percent of the mass of the galaxies.

So far CERN has cranked the cathedral-sized machine up to energy levels of 7.0 trillion (tera) electronvolts (TeV), more than three times the level attained by any other accelerator.

It is aiming in 2011 to trigger collisions at 14 TeV -- equivalent to 99.99 percent of the speed of light in the cryogenically cooled machine.

it will melt

of course it won't because we don't know what speed is

much less the speed of light

we always underestimate by factors of 100 to 1000

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