A Physics of the Heart: On Grief, M-Theory, and Skippy Dies
Some branches of physics suggest that we live today in a multiverse. Within the multiverse, our universe is one of many. One variation of string theory holds that all possible outcomes of an event actually happen, across different universes. In this universe, my friends are dead, but in a parallel universe, they decided to sleep in, or to let the driver drive, or to return the suicide package when it came in the mail.