geeteenodubya Posted September 10, 2004 Report Posted September 10, 2004 One can derive a solution for the properties of "empty space," but does it make sense? Is there any reason to assume a geometry must exist -- that there cannot be two entirely unrelated things or worlds? If there is no pre-existing relationship defined by some geometry, then two things must either be adjacent or overlapping throughout their existence if they are to interact causally at any point. It seems to me that quantum mechanics has shown that the contents of our spacetime might define our spacetime itself, not just its shape and metric.
Tormod Posted September 10, 2004 Report Posted September 10, 2004 Warm welcomes, geetee-w. Which two "things" or "worlds" are you talking about? If I have an apple and a banana and do not define a relationship between them, does that mean they must be either adjacent or overlapping? I guess not - so I must be missing the point. But I guess there is a meaning to the term "pre-existing". Are you suggesting that spacetime was created for a purpose?
Freethinker Posted September 10, 2004 Report Posted September 10, 2004 Hi GToW. Glad to have new voices.Originally posted by: geeteenodubyaOne can derive a solution for the properties of "empty space," but does it make sense?Not quite sure what you are specifically referring to as "empty space,". The fluctuating quantum vacuum? intervals between dimensional manifolds?Is there any reason to assume a geometry must exist --Only if we don't want to argue to absurdity. We could start with the assumption that nothing actually exists and go from there.that there cannot be two entirely unrelated things or worlds?I am not aware of any such limitation. In fact in multi-verse two is a small number!If there is no pre-existing relationship defined by some geometry, then two things must either be adjacent or overlapping throughout their existence if they are to interact causally at any point.Or a non-destructive boolean "and" which does not have to exist across the entirety of both timespaces'.It seems to me that quantum mechanics has shown that the contents of our spacetime might define our spacetime itself, not just its shape and metric.Yes, and?
geeteenodubya Posted September 11, 2004 Author Report Posted September 11, 2004 "Empty space" typically means -- if I understand correctly -- a submanifold without content. It is a valid mathematical concept, but I'm curious whether it is part of reality. In particular, is it obvious that a region of "empty space" might be embedded within our spacetime metric? My interpretation of a "relationship" between two things was geometrical. They are related if there is a path from one to the other. I think that is equivalent to saying they might be causally connected. I suppose there are comparisons that could be made between things that are not related in this way.
Freethinker Posted September 11, 2004 Report Posted September 11, 2004 Originally posted by: geeteenodubya"Empty space" typically means -- if I understand correctly -- a submanifold without content. It is a valid mathematical concept, I thought that might be what you meant, but never know till I ask. but I'm curious whether it is part of reality. In particular, is it obvious that a region of "empty space" might be embedded within our spacetime metric?As to it's part of reality, I guess we are still trying to figure out if the math it is a valid concept in, is valid? What's in between the intersections of at which other dimensions fold in on themselves? Untill we know whether this thought experiment preforms it doesn't matter? :-) After we have developed a succesful TOE, we need a TON. My interpretation of a "relationship" between two things was geometrical. They are related if there is a path from one to the other. I think that is equivalent to saying they might be causally connected.Yes semantices. Are you math oriented? It would seem rather than pilosophically oriented.
lindagarrette Posted September 21, 2004 Report Posted September 21, 2004 Trying to define space opens up a box of other issues. what is content? what is matter? Are they all just mathematical constructs? At the string theory level, for instance, there is no such thing as a particle. Also, at that level, there is no place in the universe that has no content. Or if there is, where is it. Only when there was nothing, like before the BB, was there no content. Right?
Freethinker Posted September 21, 2004 Report Posted September 21, 2004 Originally posted by: lindagarretteOnly when there was nothing, like before the BB, was there no content. Right?This is where we have to be very careful. We can not say that there was nothing before the BB. The BB is an event to which we can track back to what we understand to be the start of our current physical existence. "Before that?" may not be a valid question. Perhaps anything "thing" that existed before that would not follow what we understand as the laws of physics as they currently exist.
geeteenodubya Posted October 6, 2004 Author Report Posted October 6, 2004 I believe my question could be rephrased in terms of the "intervals between dimensional manifolds." However, my impression is that "interval" and "between" have no meaning in that context. The first question is whether the absence of a dimensional manifold is a meaningful concept, since no point can be located in it. The second question is whether a real dimensional manifold can have no content. Would its shape be defined?
paultrr Posted November 27, 2004 Report Posted November 27, 2004 Basically, everything we have as far as theory goes for the particle scale on down is a construct.
DaDaLiCh Posted December 4, 2004 Report Posted December 4, 2004 There is only one thing which I need to state: How could the the BB have happened, how could living being just spontaneosly be created or formed, even through evolution, without a divine being at the helm. I see this as impossible. God MUST have existed for the universe to be created with such precision. (Please excuse my english, it's my fourth language and i'm not very fluent yet)
Tormod Posted December 5, 2004 Report Posted December 5, 2004 There is only one thing which I need to state: How could the the BB have happened, how could living being just spontaneosly be created or formed, even through evolution, without a divine being at the helm. I see this as impossible. God MUST have existed for the universe to be created with such precision. (Please excuse my english, it's my fourth language and i'm not very fluent yet) This is not a scientific argument, and has absolutely nothing to do with our discussion. :wink:
paultrr Posted December 5, 2004 Report Posted December 5, 2004 Science requires observation and evidence. In general, faith requires neither.
Freethinker Posted December 6, 2004 Report Posted December 6, 2004 There is only one thing which I need to state: How could the the BB have happened, how could living being just spontaneosly be created or formed, even through evolution, without a divine being at the helm. I see this as impossible. God MUST have existed for the universe to be created with such precision. (Please excuse my english, it's my fourth language and i'm not very fluent yet)Why do I gess that this is a one time poster? Another blind faith believer lacking any factual knowledge of the subject but willing to parrot what ever religious supersititon they have grasped onto? Juast because YOU can not understand the science behind the BB and Evolution does not mean the are not the most solidily supportable explanations for their individual phenomonon. It's not your language that you need a better education on. That seems quite good.
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