Maybe it's the doom predictions about the end of the Mayan calendar this year, or maybe these guys are obsessed with old Bruce Willis movies. Either way a class of physics students from the University of Leicester decided to evaluate whether or not the premise of Willis' 1998 'Armageddon' movie where a group of oil drillers is sent by NASA to detonate nuclear devices on an asteroid that threatens to destroy Earth could actually happen. The students found it would take a bomb about a billion times stronger than the biggest bomb ever detonated on Earth."