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...@gmail.com> 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...@dslextreme.com> wrote: > > > > > Stathis Papaioannou wrote: > > > 2009/1/24 Alberto G.Corona <agocor...@gmail.com>: > > > >> 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 - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to everything-l...@googlegroups.com To unsubscribe from this group, send email to everything-list+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/everything-list?hl=en -~----------~----~----~----~------~----~------~--~---