As any algebra student is likely to ask a teacher, "Who ever uses complex numbers anyway?" The obvious answer, of course, is "math teachers." But that's just the beginning. Most scientists and ...

An international team of researchers shows through a concrete theoretical experiment that the prediction by standard complex quantum theory cannot be expressed by its real counterpart and ratifies its ...

Physicists construct theories to describe nature. Let us explain it through an analogy with something that we can do in our everyday life, like going on a hike in the mountains. To avoid getting lost, ...