What is the shortest distance between two lines? As we learned growing up in school, it is a straight line. When we look at two dots on a blank sheet of paper, that is the correct answer. Yet, unlike ...

Airlines routinely adjust routes to take advantage of favourable winds, even if that means flying a path that looks longer.

The axiom that the shortest distance between two points is a straight line is a luxury of peacetime. Many of Britain’s supplies for Egypt go around Africa. Most U. S. visitors to Berlin nowadays go by ...

Your location in this Universe isn't just described by spatial coordinates (where), but also by a time coordinate (when). It is impossible to move from one spatial location to another without also ...