You cannot have watched television on a Sunday night in the UK over the past few weeks without witnessing the wonders of Professor Brian Cox, the be-gortexed globetrotting human lens flare that has defined popular physics in 2011. With his rock&roll background, his boyish enthusiasm and charm, and his habit of wearing t-shirts that display a startling level of nipple definition, many hearts have been set a-flutter and the phrase "stellar superfluid" has taken on a whole new layer of meaning.