Scientists seeking answers to the universe are about to launch a revolutionary test Beneath the rural tranquillity of the Geneva countryside, where ramshackle sheds dot the wide-open fields, scientists are getting ready for a trip into the unknown. Here, under 100 metres of rock and sandstone, lies the biggest, most complex machine humans have ever built, and on Wednesday they will finally get to turn it on. For Cern, the European nuclear research organisation, it will mark the end of a lengthy...