Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter . Get news about destinations, plus the latest in aviation, food and drink, and where to stay. CNN  —  In travel news this week, Pakistan’s new airport with no planes or passengers, the triangular aircraft that could transform the way we fly, plus a legendary New Jersey roller coaster goes on a last dramatic adventure. The future of air travel Tired of flying in the same old pointy planes? Hold tight for the