The travel industry has blossomed over the last few decades . We can set up a trip to go from one side of the world to the next at the few clicks and swipes of our fingers, impressive stuff . But we still haven’t worked out how to take one of the most mind blowing journeys, rather than fly over the planet to the other side, simply go through it . According to calculations done by those behind the HyperPhysics educational website, it would take a person roughly 42 minutes