A Strange New Theory Helps Explain Why Our Universe Has Only One Dimension of Time

Over one hundred years ago, a pioneering thinker changed how we understand space and time.  He told us that they're both intertwined in a fabric that permeates the cosmos, comprising three dimensions of space and one dimension of time. This now-famous visionary's name? The mustachioed Hermann Minkowski, of course – Albert Einstein's math teacher.