SpaceWe finally know why Stephen Hawking's black hole equation works Stephen Hawking and Jacob Bekenstein calculated the entropy of a black hole in the 1970s, but it took physicists until now to figure out the quantum effects that make the formula work 51¶¯Âþ
PhysicsSneak peek at Hawking's last book, Brief Answers to the Big Questions Do black holes eat information or do zero-energy particles nicknamed "hairs" somehow store it instead? Before he died, Stephen Hawking was working on new ideas, as this exclusive extract shows Culture