The universe offers more than enough mysteries for most people—but not for Matthew Kleban. The New York University physicist spends much of his time looking beyond the boundaries of the known, thinking about other universes and how we might detect them.
It might seem like a futile endeavor. Although many respected scientists have developed theories proposing that there are universes other than our own, nobody knows if they actually exist. Plus, our universe is so vast that most of it is hidden from view. If we can’t see to the edge of our own cosmos, how could we ever expect to view other ones?
Yet there may be a way—a loophole that’s not only big enough to drive a truck through, it may be big enough to drive an entire universe through. Even if we cannot look beyond our universe, we might still be able to detect signs of another ...
