It's a simulation inside a simulation, Morty! Well, not quite. But episode 2 of the third season of Westworld played a bit of reality trickery, before the math equation "the square root of negative ...

WILLIAMSTOWN -- William Wootters has a conundrum -- a mathematical conundrum. Wootters is a physics professor at Williams College, and on Thursday he's one of the presenters of the Williams Faculty ...

The square root of a negative number could easily be regarded as a curious mathematical construction that has little bearing on real life. Indeed, the French polymath René Descartes gave such numbers ...