Bloody 'Eck......am I on the right site!?
Interesting stuff chaps......
Dont forget the paradox of time travel.....if you travelled back into the past from the now, then the past will include your arrival from the future, and ips facto you should still exist in the future, because you came back.......
Hope that helps, and before anyone quotes maths at me, Remember that I am only an O Level boy made good!
Tailwinds