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Message: <blockquote data-quote="s/LaSH" data-source="post: 546433" data-attributes="member: 6929">Several main ways of dealing with time travel.One: Divergence. Once you interfere with the past, you change the future. (Whether the timestream corrects itself, or veers off wildly, is a sub-variant.) eg. You kill your grandfather and when you return to the present, nobody knows you exist. This is the one I like (Trousers of Time).Two: Solid-state. You have already interfered with the past, which is normally why you get to interfere with the past in the first place. eg. You go back in time and accidentally mention to someone that you are from the future, so they try to build a time machine which you end up using.Three: Compromise. Spacetime is organic, and when you alter it it has to heal itself. Your actions don't always have the logical result. Tiny quantum actions can cause massive ripples in reality. eg. You go back in time and shoot John Wilkes Booth before he can go to the theatre. The Universe doesn't like this, and history scabs over so that someone else with a grudge goes to the theater that night; Lincoln's still dead by assassination.Four: Total weird-out. This is difficult to describe, but you can throw nearly anything together in this way. My personal favourite is a solid-state that springs Athena-like from the ether, simply because of something that happened within it - before it existed. You may commence the brain-bleeding now.</blockquote>