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Simulation of a particle collision in the ALICE detector at CERN. Copyright CERNParticle physics – science doesn’t get much bigger or more exciting than this.

It involves the biggest, most complicated experiments in the history of science, with the fastest computers, the coldest temperatures and the strongest magnets on Earth.

Particle physics re-creates the universe just after the Big Bang and hopes to answer the questions that humans have been asking for eternity; “Where do we come from?”  “What are we made of?”

So what exactly is particle physics?  Find out, from atoms and particles to accelerators and detectors in our introductory pages.

You can link direct to the biggest particle physics experiments around the world and visit our news section to see what goes on in particle physics in the UK and worldwide.

And if that’s not enough, find out more by clicking through a collection of the best particle physics links on the web.