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Originally Posted by modest
I'm not convinced that we can see the past. The sun's photons which we see originated 8 minutes ago from our perspective, but when we see the photon it exists here and now for us. When a photon hits my pupil I'd prefer to think of it as here and now. The principle of locality I guess.
~modest
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but when we see the photon it exists here and now for us..
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Right, quite basic, another way of saying that is; everything that 'exists' via what you experience is the here and now. What I experience is here and now / here and now is the experience.
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I'm not convinced that we can see the past.
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I'm not sure what you mean in depth here. We study it all the time, using teliscopes. Sure, its not the past for an observer, its a future event, on its way to become a here/now action. That is, when we actually consider that the observers frame counts... but we know that it doesnt have to count/matter unless we desire to make a specific rational measurement.
But when the observer doesnt matter, and when it comes to the nature of reality without that observer, its what... quite irrational...
That is what leads me to my two conceptions of time.
In the irrational time, there is no line for time to be placed on, there is 3 dimensions of space for time to transcend through.
That is, time has just as many dimensions of space in this respect. That is "I am not an important observer"
But when it comes to the "I am an important observer", time can be processed as comparisons of rational states, we can "feel" like it moves forward, or backwards, or up or down... but it is only 'rational' to choose one direction for future, and one direction for past, and our ability to project in those directions, predictions has an accuracy based on the range we apply that prediction.
In this sense, space-time would be 6 dimensional in respect to the irrational, and 4dimensional in respect to the rational.
The missing two dimensions act as the rational logical item to identify. Ie, mass in 1 spacial direction, and the time aspect of that mass also of 1 dimension, intwined.
