Smashing physics (Jon Butterworth)

The discovery of the Higgs boson was the culmination of the largest scientific experiment ever performed, the ATLAS and CMS experiments at CERN's Large Hadron Collider. But what really is a Higgs boson and what does it do? How was it found? And how has its discovery changed our understanding of the fundamental laws of nature? Leading CERN physicist Jon Butterworth gives his inside account of the hunt for the Higgs.