How the inside of a black hole is secretly on the outside.

If the following excerpt doesn’t scare you away, you might enjoy this link. “Eventually my colleagues and I realized that both the information paradox and the newer firewall paradox arose because our attempts to meld quantum mechanics and black hole physics were too timid. It wasn’t enough to apply quantum mechanics to only the matter present in black holes—we had to devise a quantum treatment of the black hole spacetime as well.” | learn more