What if there are other universes, just like ours? With an infinite number of Earths? With uncountable versions of you? And what if we don’t have to look too far to find them? Maybe a mirror version ...

Joseph Polchinski, one of the most creative physicists of his generation, whose work helped lay the mathematical foundation for the controversial proposition that our universe is only one in an almost ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough ...