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Pastimes : NNBM - SI Branch -- Ignore unavailable to you. Want to Upgrade?

To: lurqer who wrote (26058)	5/23/2003 7:57:19 AM
From: Clappy	Read Replies (4) \| Respond to of 104197

Lurqerdude, When you return from where ever you went remind me I want to discuss Einstein's Theories of Special Relativity, General Relativity, and possibly by then a touch of Quantum Mechanics. Right now I'm sort of in awe about this stuff as I try to grasp some of the concepts. My mind hasn't been able to fully wrap itself around all of the ideas I've begun reading, but my brain is holding onto enough to give me goose bumps. Anyhow, one thing that I'm sort of stuck on is that supposedly our universe is expanding. Possibly it is expanding around in incredibly dense black hole. The Mother of all black holes perhaps. Or I suppose it is the opposite of the black hole because it isn't sucking everything in. Instead it might be the origin point of the Big Bang. But that is not what I'm focusing so much on just yet. Right now I'm stuck on an anology of relativity that deals with the fourth dimension, time. Einstein was basically saying something to effect that if we were on one of those amuzement rides that spin in a circle where the centrifical force sticks you to the wall, time slows down the slightest bit for a person riding it compared to a dude standing in the middle of the large spinning wheel. It is a miniscule amount. Unreadable perhaps. But if we were able to travel close to the speed of light the difference would be greater. So picture ourselves in Polvie's space ship doing laps around the earth or the sun. We go faster and faster and faster and at the end of the day we go back to the NNBM and discover a few hundred years have gone by. Would this work in theory? What I mean is, do I have the theory all screwed up? Anyway this isn't even what is bugging me out this morning. This is: So now the fabric of our universe is expanding, thus making us stretch further out from the center of the universe as we sort of do revolutions around this center point (perhaps). Time keeps ticking away and possibly speeding up because we are further away from the center. The further from the center you are the faster you have to travel (I'm thinking). This might be wrong. Anyway what I'm getting at is that eventually the universe will stop expanding (in theory). It will then reverse and begin contracting. The center point will be a humongous black hole sucking everything back into it at the same rate it initially expanded. So in theory would time be going in reverse? What I'm getting at is, I wonder if there will eventually come a day where we live our lives in reverse. Like, will I some day be typing this message to you in reverse? Will the letters be dissapearing with each keystroke? Will we be born of the dust being old and live our lives in reverse? And eventually die by entering a womb? It has my head spinning. I suppose the answer is no. I'm probably missing something like time is only relevant in comparison with what time it is at the center of the universe or something my brain hasn't even fathomed yet. Or maybe, time won't reverse because in essence we are still in motion even though we are moving the other direction. I bet Wharf Rat knows the answer... If not, perhaps polvie will find the answer while floating along in his sailboat one starry night. But then he'll probably forget the answer... Or not tell us because it requires too much typing...<g> Anyway, I would try to ask Stephen Hawking but I haven't found his e-mail address. Do you know it? -CosmicQuestionBuoy P.S. I hope you aren't on one of your two year leave of absences again. It seems you only just came back. Hopefully you are just climbing a rock with your wife or walking your parrot or possibly developing a quick and easy computer software program. P.P.S. I don't have time to spell check. Sorry about that.