Hi Liz,
> Ok. I have an idea about that, it is probably not original. Tell me what >> you think: >> The universe was not created. All possible states just exist. The moment >> of the big bang is one of the many possible states. What we call the past >> is a sequence of steps in the state graph that are coherent predecessor of >> each other, in the sense that they contain less and less information. Given >> that the moment of the big bang is the lowest entropy state conceivable, >> all history lines will originate there. >> >> My problem with any view based on entropy is that entropy doesn't appear > to be fundamental to physics; it is the statistically likely result when > objects are put in a certain configuration and allowed to evolve randomly. > There is, however, an interesting parallel to be made with Shannon's entropy, which is a measure of information content and not just a statistical effect. Once in the realm of digital physics, it becomes questionable if physical entropy and information entropy are separate things. > However the laws of physics are (mainly) time-symmetric, with the definite > exception of neutral kaon decay and the possible exception of wave-function > collapse, and an ordered state could evolve to become more disordered > towards the past (although that would make the past appear the future for > any beings created within that ordered state). Yet we never see that > happening, and there is an elephant in the cosmic room, namely the > expansion of the universe, which (istm) must always proceed in the > direction of the AOT. > What if the AOT is a purely 1p phenomena? > > Hence the appeal to boundary conditions. If something forces the universe > to have zero (or very low) radius at one time extremity but not at the > other, this asymmetry could be sufficient to drive the arrow of time in a > particular direction. > > I've (as it were) expanded on this idea before, however, so I won't go on > at length about it again. > I'll search the archives when I have a bit of time. Telmo. > > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
