Bruno
Have you seen this:
V. Walsh, "A theory of magnitude:common cortical metrics of time, spce
and quantity", trends in Cognitive Sciences, 7, 483 (2003)
This was a one reference in a paper on time I just read today( Time
and Causation
http://arxiv.org/abs/0902.0559
Ronald
On Jan 25, 3:02 am, "Alberto G.Corona" <agocor....domain.name.hidden> wrote:
> Brent:
>
> I tried to clarify my point of view in my previous response. This is
> my answer to these questions.
>
> On Jan 25, 5:53 am, Brent Meeker <meeke....domain.name.hidden> wrote:
>
>
>
> > Stathis Papaioannou wrote:
> > > 2009/1/24 Alberto G.Corona <agocor....domain.name.hidden>:
>
> > >> But the fact is that in our univese, glasses do recompose themselves,
> > >> the flame of the candles do recombines liberating oxygen and make grow
> > >> the candle, objects lighter than water sink. Why? because these events
> > >> exist in our space time; Just go in the reverse time dimension in our
> > >> space-time manifold to see them. The laws of physics permits them.
> > >> They are just reversible chemical reactions, reversible object
> > >> collisions at the particle or macroscopic level.
>
> > >> In terms of our perception of time, the outcomes we see happens just
> > >> because they are cuasi-infinitely probable and the reverse
> > >> counterparts, cuasi infinitely improbalbe. But, that is also an
> > >> illlusion of the arrow of time, because , In terms of time-agnostic
> > >> spacetime manifold reasoning, our life vector in space-time go along
> > >> the increase of entrophy, not the other way around. That is: the
> > >> outcomes of probability laws are a consequience of our trajectory in
> > >> space time. Why our life follow this direction?. The reason is
> > >> computational, as I said before.
>
> > > The question is often asked, why does time seem to progress in the
> > > increasing entropy direction? But if time were in fact progressing in
> > > the decreasing entropy direction, we would know no different. For
> > > example, if we were living in a simulation where 2009 is run first and
> > > 2008 is run second according to an external clock, we would not be
> > > able to tell from within the simulation. The real arrow of time
> > > question should be: why does entropy increase in the same direction in
> > > every observed part of the universe?
>
> > Right. It's generally thought that the direction of increasing entropy is
> > defined by the expansion of the universe since the expansion increases the
> > available states for matter. But it's hard to show that this must also
> > determine the radiation arrow of time.
>
> > But at the micro-level of QM there is presumably no change in entropy, the
> > evolution is unitary. So then the question becomes: Why the approximately
> > classical world, in which the coarse-gained entropy does increase?
>
> > Brent
>
> > >For only if the glass shattering
> > > occurred in a direction different to that of the mind of the observer
> > > would something unusual be noticed.- Hide quoted text -
>
> - Show quoted text -
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Received on Wed Feb 04 2009 - 13:25:22 PST