Star-gates, magnetic portals, vortexes in space: Science fiction writers have given the concept of extraordinary openings in space/time all sorts of names to explain how travelers from far distant realms of space, time or both, arrive in Earth skies. However, this is a science fiction ploy to enable a good story, is it not?

It turns out that they do exist although the discovery is said to be in its infancy (yeah right). A NASA-funded researcher at the University of Iowa has figured outhow to find them