Old 06-07-2008, 02:27 PM   #1
PanAtheist
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Before This Beginning

Hints of "time before Big Bang"

Quote:
Professor Carroll urged cosmologists to broaden their horizons: "We're trained to say there was no time before the Big Bang, when we should say that we don't know whether there was anything - or if there was, what it was."
That sounds healthy - a step-in-the-right-direction, in attitude, for physicists.

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Old 06-07-2008, 03:02 PM   #2
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Maybe if you got your information from more considered sources you would know that most physicists already say that. I have said it myself here on numerous occasions. The problem is when complicated ideas are publicized only the most simplistic bare bones version of what is meant is ever conveyed. Still, it's always good for interested people who don't actuallly know much about it to tell scientists what is healthy and what directions their research and attitudes should take. Keep it up.

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Old 06-07-2008, 03:12 PM   #3
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Good thread, Pan!

I think this is a very important concept that too many people never really consider.


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Old 06-07-2008, 08:24 PM   #4
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I'm actually in the middle of a series of Teaching Company DVD's with Sean Carroll lecturing on dark matter and dark energy. The guy's pretty damned good at explaining things to a "Know next to nothing about cosmology" sort such as myself. Makes me want to keep learning more.
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Old 06-08-2008, 02:55 AM   #5
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Theres an interesting article about the 'Big Bang' theory in New Scientist - unfortunately you have to go get the magazine to get the full article but it is worth it - although it took me a couple of readings to understand it fully

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Old 06-08-2008, 09:11 AM   #6
ILOVEJESUS
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an interesting concept. however if the multiverse theory is true then time would be existing before our universe in many others, or possibly in different formats etc. truly mind boggling.
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Old 11-05-2008, 11:10 AM   #7
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Here is a cool Big & Bouncy article, at Scientific American.


Healthy genes act as team-players. They are teamish!
Their winning plays are
salvations of an aliveness of which they are a part.
Only a fraction of genes are selfish/parasitic (and they
parasitize teams).
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Old 12-10-2008, 01:22 PM   #8
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I thought that "before" became a meaningless idea before (damn, there's no way to say that) expansion because time itself begins with the big bang, to big bang theorists. If, however, quantum loop gravity people (and others) are right instead and the universe oscillates, then there was a before and some version of time before expansion. If there's a multiverse, whether there is such a thing as time there ("there" being another inappropriate word) and if that time is linear in a forward motion, as we experience it, is not known and is probably (or is it?) unknowable.

Is this not an issue like using the word "Theory" to describe the facts of evolution, the atom, and the sun centered solar system? Aren't cosmologists using the idea of the beginning of time in a specialised way?
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Old 12-10-2008, 03:17 PM   #9
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how is time "linear in a forward motion"? What has quantum loop gravity got to do with "oscillating" universes? Are you making shit up as you go along? If so you should consider becoming a string theorist

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Old 12-10-2008, 04:39 PM   #10
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