White HolesA mesmerizing trip to the strange new world of white holes, from Carlo Rovelli, the bestselling author of Seven Brief Lessons on Physics. Let us journey, with beloved physicist Carlo Rovelli, into the heart of a black hole. Let us slip beyond its boundary, the horizon, and tumbleon and ondown this crack in the universe. As we plunge, we'll see geometry fold, we'll feel the equations draw tight around us. Eventually, we'll pass itthe remains of a star,