Original In my latest chapter of my ongoing My Little Pony crossover fanfic, “Myou’ve Gotta be Kidding Me“, my protagonist has had a thought. She has discovered that she lives in a universe containing cross-universe travel (which brought her from Earth to Equestria), time travel (which has at least some limits, but can be used … Continue reading LessWrong: Using LW-style Multi-Worlds as source of technobabble