http://avva.livejournal.com/2358814.html.....#t80343582 "Helium walks into a bar and orders a beer... The bartender says, "Sorry, we don't serve noble gases here." Helium doesn't react. * A superconductor walks into a bar. The bartender says, "We don't serve superconductors here." The superconductor leaves without putting up any resistance. * A Higgs boson walks into a church. The priest says, "Higgs bosons aren't allowed in here." The Higgs boson says, "But without me, how can you have mass?" * To get to the other side. Why did the tachyon cross the road? * Schrodinger's cat walks into a bar and doesn't. * A parasite walks into a bar. The bartender says, "We don't serve your kind in here." The parasite says, "Well, you're not a very good host." * A neutrino walks into a bar. The bartender says, "We don't serve neutrinos in here." The neutrino says, "Oh, I was just passing through."