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| Author | Topic: schrodinger's backside | |||||||||||||
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GDR Member  Posts: 6202 From: Sidney, BC, Canada Joined: Member Rating: 2.1 |
cavediver writes: I guess my thought is that SR/GR works to such an extraordinary degree, and relativity shows us that time is inextricably linked with space in quite a geometrically non-trivial way. We now have a harder time separating the two - we can't simply visualise 4d space-time as an ordering of 3d events, which we can with Newtonian cosmology. I like Barbor's work at thsi point, although I think that our own illusion of time develops at a much a higher level that he suggests. Otherwise I have a hard time reconciling his ideas with GR. Julian Barbour as I understand it contends that time as such doesn't even exist but is only the way that we perceive change. Here is a link to a site that includes a discussion with Barbour and a review of his book.
Julian Barbour Amongst the many things that I don't understand in all of this is how his picture of how time represents change is consistent with GR which shows that time, (as represented by change) is different for each one of us. It seems to me that his theory requires a more Newtonian idea of time. I know this guy is more than smart enough to have figured this out but I still can't see how you can have every moment of time an eternal now when my nows are not the same as anyone else's nows. Everybody is entitled to my opinion. 
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