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lark songs

PostPosted: Sat Jan 12, 2008 7:18 pm


Say you went back in time. Wouldn't it be scientifically impossible for you to kill your grandfather? It's impossible for matter to be destroyed, so you can't edit the past so that it annihilates matter in the future, right? Or would it just mean that the matter would never have existed? Help. D:
PostPosted: Sun Jan 13, 2008 2:13 am


What could you do that would annihilate matter in any time period? Killing your grandfather doesn't make your constituent atoms not exist; all it does is unmake you, in that the atoms that would have come together to form you instead remain separate, doing whatever they would have done if your parents hadn't met.
This is, of course, completely ignoring the basic paradoxical nature of the situation.

Layra-chan
Crew


lark songs

PostPosted: Sun Jan 13, 2008 7:35 am


Ohh. I understand.
That's a simple way to put it. Now I feel stupid that I didn't realize it before.
PostPosted: Mon Jan 14, 2008 4:13 pm


Hang on a sec.

Don't cells have to duplicate to create a fetus? What about the duplicated cells? They weren't created before you existed, so how could they go back to what they were doing?

lark songs


Layra-chan
Crew

PostPosted: Tue Jan 15, 2008 12:51 am


Spifftastic Boom.
Hang on a sec.

Don't cells have to duplicate to create a fetus? What about the duplicated cells? They weren't created before you existed, so how could they go back to what they were doing?


Same thing, almost exactly: the constituent atoms of those cells would be doing something else. Everything beyond the atomic level, maybe some molecular structure, was synthesized organically in some way that involved you or your parents; cut out your grandfather and you're back down to your atoms. Not your cells, but your atoms. The duplicated cells are not created out of nothing; the original cells take in nutrients and oxygen from outside and form the new cell out of those; remove the original cell, and those nutrients and oxygen go back to doing whatever they were doing beforehand; if the nutrients were synthesized by you or the parent whose father you killed, those nutrients would also be rendered back into their constituent atoms.

Basically, nothing of you would still exist above the atomic level; you're not unmaking yourself as a human into just any sub-human portions, but rather unmaking yourself down to the very bottom, into inorganic substances that would exist with or without you. You're unmaking you, you're unmaking your organs, your tissues, your cells, your organelles, your proteins, your molecules, everything down to the atoms.
PostPosted: Wed Feb 13, 2008 2:57 pm


There is also the theory that it would be in another time stream. Ergo it wouldn't matter if you killed your grandfather.

Severus-snape-the-second

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The Physics and Mathematics Guild

 
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