Sometimes I Overthink Things...

Sometimes I have to remind myself that I'm interested in way too many nerdy/scientific things. I made a post about the LHC thing to a forum I'm on and it led to the discussion of timetravel.

Me: Speaking in terms of traveling from present day to the past, I beleive there may be some form of limited particle time travel to be applicible for data transmission perhaps, but I'm pretty doubtful about solid matter. I'm also having a hard time wrapping my head around the concept of mother nature "time traveling" back to stop the discovery of something. The first word that came to my mind when I read that was fate - and I don't like the idea of predetermination.
H:You mean like in Deja Vu?
Me:  I consider DejaVu to be strictly a biological response in our brain associating current perceptions to recorded memory ones and perhaps some rare connection in the brain - I would fail to see how particles could have the properties to travel back in time and also be able to affect biological events - but I admit that is an interesting concept and in the future who knows what may be possible.

I was actually thinking more along the lines of being able to control the speed and/or production of a Tachyon-like particle at one time, and a detector sometime in the past. This would allow data transmission in a simple form (think morse-code). If these particles truely exist there would be challenges. First you would need to be able to detect them. Second, you would need to know exactly where to look. Third, a method to alter them would be needed. Four, once altered you would need to return them back to their old state (speed) and direct them to the correct spot. I'm sure there's a million other issues too, but that's just what came off the top of my head in the last three minutes. This would explain why we have had no apparent visits or messages from the future - if we can't even detect the paper, how can we see what's written on it?
Side note: I say Tachyon-LIKE particles, because most of the theory of tachyons states the ability to do the things I mentioned (alteration, isolation, encoding) aren't even theoretically possible.
H: I meant the movie not that phenomenon.. where they could send small items back into the past..
Me: oh...

Deja Vu...Good movie.

*facepalm*