Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Bruno Marchal
Abram, I agree with Brent. In relativity theory space and time are intermingled in a geometrical way to give the Minkowski structure. Actually you can make it into an Euclidian space by introducing an imaginary time t' = sqr(-1)*t = it. The metrics becomes dx^2 + dy^2 + dz^2 + dt'^2. In

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Stathis Papaioannou
2009/1/6 Abram Demski abramdem...@gmail.com: Thomas, If time is merely an additional space dimension, why do we experience moving in it always and only in one direction? Why do we remember the past and not the future? Could a being move in some spatial dimension in the same way we move

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Bruno Marchal
On 06 Jan 2009, at 14:07, Stathis Papaioannou wrote: 2009/1/6 Abram Demski abramdem...@gmail.com: Thomas, If time is merely an additional space dimension, why do we experience moving in it always and only in one direction? Why do we remember the past and not the future? Could a being

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Bruno Marchal
Abram, With General Relativity, time is so geometrical that you can make it circular. (Cf the Gödel's solutions to Einstein's GR Equation, which gives hope to some to build a time machine, and even infinite computers!). Give me just a sufficiently massive cylinder ... Bruno On 06 Jan

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Abram Demski
Stathis, I would not deny causality in such a universe so long as the logical structure enforces the Life rules (meaning, the next level in the stack is *always* the next life-tick, it couldn't be something else... which is true by supposition in the block world). Perhaps that still counts as a

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Abram Demski
Bruno, This I know... yet I want to say that it doesn't necessarily make time *spatial*. But, I can't say exactly what that would mean. It seems to me that the word spatial becomes less meaningful if time is said to be spatial... --Abram On Tue, Jan 6, 2009 at 1:57 PM, Bruno Marchal

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Brent Meeker
Stathis Papaioannou wrote: 2009/1/6 Abram Demski abramdem...@gmail.com: Thomas, If time is merely an additional space dimension, why do we experience moving in it always and only in one direction? Why do we remember the past and not the future? Could a being move in some spatial dimension

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Günther Greindl
Abram, an intuition I have come to concerning time is the following (it is only qualitative and may or may not be helpful in thinking about time): From relativity theory we know that there is no universal now, and that the invariant between two points in the physical universe is spacetime

Re: KIM 2.3 (was Re: Time)

2009-01-06 Thread Brent Meeker
Lewis Carroll Epstein says the reason we can't go faster than light is that we can't go slower than light, c is our speed along the time axis. Brent Günther Greindl wrote: Abram, an intuition I have come to concerning time is the following (it is only qualitative and may or may not be