At Qaanaaq, in Greenland, there's IS18: an infrasound station that's quietly listening for nuclear tests — or any other large bang. Here's what, why, and a few words the man who, for years, has been quietly keeping it running. Pull down this description for more! I'm here because of Chris Hadfield's Generator Arctic - go check out everyone else who was on the trip, and have a look at tickets for their show at Massey Hall, Toronto, on November 12th! http://generatorevent.com