Scientists around the world were standing by today as the long awaited big bang experiment took off this morning in a tunnel under Switzerland. The experiment has cost an estimated 5 billion pounds  and has been in the pipeline for almost two decades before finally kicking off today. The big bang is taking place in a specially designed Large Hadron Collider (LHC) which spans both the borders of France and Switzerland and the first stage today was reported as going smoothly and to.