Perhaps the most enigmatic objects in the Universe, black holes embody many unsolved paradoxes. One of their biggest mysteries is the “information paradox,” which emerges from the clashing predictions of quantum mechanics and general relativity. This paradox, which states that information both should and should not disappear when it enters a black hole, may arise because of the breakdown of Einstein’s theory at the black hole’s center. Now, Viqar Husain and colleagues at the University of New Brunswick, Canada, find that they can resolve the paradox by incorporating quantum gravity effects into their simulations, which indicate that when a black hole dies, the information it swallowed during its life is released back into the Universe through a gravitational shock wave [1].
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