(THE CONVERSATION) To a nonmathematician, having the letter “i” represent a number that does not quite exist and is “imaginary” can be hard to wrap your head around. If you open your mind to this way ...

For almost a century, physicists have been intrigued by the fundamental question: why are complex numbers so important in quantum mechanics, that is, numbers containing a component with the imaginary ...

The bailout plan for Greece will ring-fence about $55 billion euros worth of Greek assets. Photo / AP Mathematicians use "imaginary numbers" for abstract concepts such as the square root of -1 (which, ...