Are you still scratching your head over what a particle accelerator like the Large Hadron Collider actually does? Don't feel bad, the LHC is the most complicated piece of scientific equipment mankind has ever built. And unless you're a physicist, you'll probably never understand its intricacies.
But if you're curious, take a few minutes to watch this animated Particle Accelerator 101 by Don Lincoln. You won't be applying for a job at CERN afterwards, but you should at least get the gist of what's going on at the LHC. [YouTube via Geekosystem]