Dystopian visions: My Object All Sublime

Would time travel necessarily be a good thing?

Time travel is a favourite theme of science fiction writers. I have often thought what a pity it is that time travel is unlikely to ever be possible. But perhaps we should be thankful for that…

We tend to fantasise about time travel as a way of changing the past, usually for the better. For example, what if someone could go back in time and kill Hitler, …