[QUOTE="WeedleLad"]
So one day you decide to build a time machine. Once it's done, you think you should go back in time to when you first built it. You kill your other self and return to the future from where you came from. So does this mean you will disappear into nothing? Still be alive? Let me hear your thoughts young padawans.
MrGeezer
There are two time travel possibilities that I favor. The first is that time travel abides by Terminator/12 Monkeys rules. You can go back in time and do whatever you want to, just so long as you were present in that time. And just so long as what you "change" by going into the past doesn't actually change anything. Since you were present in the past, whatever you do in the past is exactly what you had to do. And by extension, you had to travel into the past just so that you could be present in the past.
Second thing I favor is the notion that you can travel back in time, but not before the time machine was invented. This follows the notion that if we ever build a time machine, there's all sorts of **** that could pop out of it the second that it's turned on.
Like, a few nights ago I had this dream. I was a scientist building a time machine, and we were just about to turn it on. The second we turned it on, a radio transmission came from the time machine saying "turn off the time machine NOW!" I then tried to turn off the time machine, but it was too late. Some horrible monster came out of the time machine and started killing everyone. Realizing that I was doomed, and that it was too late to stop the monster, I realized that my only hope was to stop the monster from ever travelling through the time machine. So I sent a message back through time saying "turn off the time machine NOW!"
Then the monster killed me.
Then after dying, I turned into a ghost and just sort of watched the dream from a narrator's perspective. I watched the monsters conquer the earth. Then they left. Then about fifty years later, a monster arrived from space, found the time machine, and used it to go back in time fifty years so that it could subsequently eradicate the human race.
That sounded more like a gateway to the 5th dimension, not a timemachine. :lol:
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