Black holes have been a part of popular culture for decades now. They played a central role in the plot of the 2009 Star Trek movie, for example. No wonder. These dark remnants of collapsed stars seem almost designed to bring out some of our primal fears: a black hole harbors unfathomable mystery behind the curtain that is its “event horizon,” admits of no escape for anyone or anything that falls within, and irretrievably destroys all it ingests.