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(Popular Science)   There is no such thing as time, says physicist... HEYYY, TACOS   (popsci.com) divider line 64
    More: Interesting, string theory, quantum gravity, integers, quantum physics, physicists, cosmology, tacos, gamma-ray bursts  
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4658 clicks; posted to Geek » on 20 Sep 2012 at 1:54 AM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2012-09-20 11:00:13 AM
So, basically, they've completely failed to answer whether or not we're all on the back of the Celestial Turtle swimming through the Eternal Sea. Thanks, "scientists".
 
2012-09-20 11:21:45 AM
"There is no past moment that flows into a future moment. "

I'll agree with him on that. I see no reason for any moments to "continue to exist" outside of the present. In a sense, it's a dimension because it can be measured, but it's not traversable, so it's not a dimension like the other 3. The illusion of time dilation is only due to the fact that matter and energy, both of which always obey the universal speed limit compose everything we use to measure time, and all of those constructs are 3 dimensional.
 
2012-09-20 01:03:12 PM

basemetal: Tell that to my body.


There's no such thing as "color" either. That's not a property of light, it's just how our brain interpretes different wave lengths, but it sure seems awfully real.
 
2012-09-20 01:16:14 PM
4.bp.blogspot.com
 
2012-09-20 04:37:06 PM
Step 1: Pretend you're a philosopher, despite no relevant research or training.
Step 2: "Invent" your own theory of time which just-so-happens to be identical to the b-theory of time first fully developed in 1908.
Step 3: Poorly explain your "original" theory in a book that you ask people to pay you for.
Step 4: Profit.....apparently.

I need to get into this racket.
 
2012-09-20 05:09:43 PM
This guy's right in that there is no such thing as time, but his ideas are otherwise completely wrong.

There is no time. There is only a collection of zodnodules, and as they rub together the Universe is created out of nothingness. There, now maybe popsci.com will call me a renegade cosmologist too.
 
2012-09-20 06:17:23 PM
I love how this thread is full of people who have no idea what Julian Barbour is saying, let alone the rigorous math behind it, yet have still decided that he is wrong.

If the Internet had a motto it would be "The less you know..."
 
2012-09-20 06:29:53 PM
Time exists. It's not a dimension though. It's a force.
 
2012-09-20 07:02:58 PM

Quantum Apostrophe: Time exists. It's not a dimension though. It's a force.


Please write down its field equation. Quantize the field. Optional: describe the particle that mediates the force. Show your work.

This isn't philosophy class. Words have meaning.
 
2012-09-20 08:12:00 PM

Fark Me To Tears: FTFA: Channeling the ghost of Parmenides, Barbour sees each individual moment as a whole, complete and existing in its own right. He calls these moments "Nows."

Do you ever get the impression that eggheads sometimes just enjoy f*cking with us?


i172.photobucket.com
 
2012-09-20 08:23:35 PM

czetie: I love how this thread is full of people who have no idea what Julian Barbour is saying, let alone the rigorous math behind it, yet have still decided that he is wrong.


There's zero experimental evidence suggesting he's correct. Your move.
 
2012-09-20 09:59:30 PM
This article reminds me of a question that has been bugging me lately.

From relativity, we know that space and time are coupled, and mass and energy are flip sides of the same coin. Therefore, can space-time exist without mass-energy? Or does gravity actually form space-time from mass-energy? Or is it the other way around?
 
2012-09-21 05:51:55 AM

Useless Destruction of Exergy: This article reminds me of a question that has been bugging me lately.

From relativity, we know that space and time are coupled, and mass and energy are flip sides of the same coin. Therefore, can space-time exist without mass-energy? Or does gravity actually form space-time from mass-energy? Or is it the other way around?


Space-Time is what Energy and Mass works within.
However, one can affect the other.

Mass induces gravity by warping Space-Time

Space-Time can exist without Energy or Mass...however, you won't get Gravity unless Mass is around.

Gravity cannot form Space-Time because it is the warping of Space-Time by Mass.
 
2012-09-22 04:35:41 PM
"Time is an illusion, lunchtime doubly so...."

Useless Destruction of Exergy: From relativity, we know that space and time are coupled, and mass and energy are flip sides of the same coin. Therefore, can space-time exist without mass-energy? Or does gravity actually form space-time from mass-energy? Or is it the other way around?


You might find this and this of interest.
 
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