Necessity is the mother of invention. And when you live in a country that's trying to kill you, you have to be very creative. Generations of Icelanders, locked inside for months to escape the cruel winter, have unleashed their creativity in many ways to survive. On this episode of Hello World, Ashlee Vance encounters Iceland's cold, hard, almost unlivable terrain and the vikings and space nerds who have conquered this land through their unyielding will and ingenuity.