steve nallon was sa in: could go back. steve nallon was saying there _ could go back. if you are doinu this is never going to work. if you are doing a _ this is never going to work. if you are doing a time _ this is never going to work. if you are doing a time travel _ this is never going to work. if you are doing a time travel story, i this is never going to work. if you are doing a time travel story, it's| are doing a time travel story, it's made of potholes. how often does the doctor say, we are too late, you've got a time machine! it's always good to be a problem. time travel is a huge impossibility.— to be a problem. time travel is a huge impossibility. what time travel doesnt huge impossibility. what time travel doesn't exist — huge impossibility. what time travel doesn't exist in _ huge impossibility. what time travel doesn't exist in science _ huge impossibility. what time travel doesn't exist in science fiction. i doesn't exist in science fiction. look at outlander, for example. fir a look at outlander, for example. or a christmas carol, _ look at outlander, fo