An illustration of physics equations being bent and warped. New research has found a way to accurately predict quantum interactions without using complex numbers. | Credit: vitacopS via Getty Images ...

For the first time, physicists have built a working version of quantum mechanics without complex numbers — numbers that have been considered essential to the theory for nearly a century. Complex ...

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 of thinking, ...