From The Time Machine, The Terminator, and Back to the Future, Planet of the Apes, 11/22/63, and Russian Doll, time travel stories are fun, but does time travel make any sense? What do scientists and philosophers say about whether it’s logically or physically possible to travel into the future or the past? What about time loops? Can time travel make for fun science fiction whether it makes sense or not? Can time travel paradoxes be funny? Mills, Baker