The River Model

How to think of black holes

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The River Model

#1  Postby twistor59 » Sep 10, 2011 8:45 am

When I was a student (before I got a real job :lol: ), I did a fair amount of GR, but I never came across this way of picturing black holes. See what you think.
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Re: The River Model

#2  Postby jaydot » Sep 18, 2011 1:11 pm

i always visualise them as the entrances to blood vessels. after the oxygenated blood has reached the smallest capillary, the now depleted blood cells have to cross to the vienous side and take a ride back to the heart/lung complex. similarly the egg leaves the ovary and makes its way across a void to the falopian tube, whose opening could be regarded as similar to a black hole.

not keen on the river thing.
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Re: The River Model

#3  Postby zaybu » Sep 19, 2011 1:59 pm

There's one thing we are sure of: in QM, gravity is ignored at subatomic scales and it does well; Relativity ignores all other forces except gravity, and at large distances it does well.

When it comes to black holes -- an environment where ordinary matter is compressed to subatomic scales -- then neither theory has anything valid to say. Such papers as this one are only flights of fancy and belong to the category of science fiction.
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Re: The River Model

#4  Postby Pulsar » Sep 19, 2011 2:45 pm

Jason P. Lisle??? The Jason P. Lisle from Answers in Genesis? :shock:
"The longer I live the more I see that I am never wrong about anything, and that all the pains that I have so humbly taken to verify my notions have only wasted my time." - George Bernard Shaw
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Re: The River Model

#5  Postby zaybu » Sep 19, 2011 4:22 pm

Pulsar wrote:Jason P. Lisle??? The Jason P. Lisle from Answers in Genesis? :shock:


Jason Lisle of AiG does not carry the middle initial P. So it's hard to conclude whether or not they are the same dude.
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Re: The River Model

#6  Postby Pulsar » Sep 19, 2011 4:39 pm

zaybu wrote:Jason Lisle of AiG does not carry the middle initial P.

Yes he does: http://www.answersingenesis.org/contents/379/arj/v3/anisotropic_synchrony_convention.pdf
And he studied at the University of Colorado. It's him.
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Re: The River Model

#7  Postby Varangian » Sep 19, 2011 5:08 pm

I picture AiG as a kind of black hole...
Image

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and you have a practical guarantee of dark morbidities." - H.P. Lovecraft
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Re: The River Model

#8  Postby campermon » Sep 19, 2011 5:51 pm

Image

:ask:

Thinking about 'black hole'?...... :shifty:
Scarlett and Ironclad wrote:Campermon,...a middle aged, middle class, Guardian reading, dad of four, knackered hippy, woolly jumper wearing wino and science teacher.
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Re: The River Model

#9  Postby jaydot » Sep 19, 2011 5:57 pm

zaybu wrote:There's one thing we are sure of: in QM, gravity is ignored at subatomic scales and it does well; Relativity ignores all other forces except gravity, and at large distances it does well.

When it comes to black holes -- an environment where ordinary matter is compressed to subatomic scales -- then neither theory has anything valid to say. Such papers as this one are only flights of fancy and belong to the category of science fiction.


it's all science fiction as far as i'm concerned. there ain't a lick of proof for any of it.
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Re: The River Model

#10  Postby zaybu » Sep 19, 2011 7:04 pm

Pulsar wrote:
zaybu wrote:Jason Lisle of AiG does not carry the middle initial P.

Yes he does: http://www.answersingenesis.org/contents/379/arj/v3/anisotropic_synchrony_convention.pdf
And he studied at the University of Colorado. It's him.



That seems to be the case. Thanks for the info.

I will correct my earlier post:

When it comes to black holes -- an environment where ordinary matter is compressed to subatomic scales -- then neither theory has anything valid to say. Such papers as this one are only flights of fancy and belong to the category of science fiction science fantasy.


:evilgrin:
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Re: The River Model

#11  Postby mizvekov » Sep 20, 2011 4:40 am

http://en.wikipedia.org/wiki/Gullstrand%E2%80%93Painlev%C3%A9_coordinates
The above wikipedia page references that article. :roll:
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Re: The River Model

#12  Postby twistor59 » Sep 21, 2011 6:51 pm

campermon wrote:Image

:ask:

Thinking about 'black hole'?...... :shifty:


Funny you should say that.....that's exactly the sort of thing that went though my mind when I typed out the thread title. Weird....
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Re: The River Model

#13  Postby campermon » Sep 21, 2011 6:54 pm

:lol:
Scarlett and Ironclad wrote:Campermon,...a middle aged, middle class, Guardian reading, dad of four, knackered hippy, woolly jumper wearing wino and science teacher.
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Re: The River Model

#14  Postby twistor59 » Sep 21, 2011 6:55 pm

zaybu wrote:
Pulsar wrote:
zaybu wrote:Jason Lisle of AiG does not carry the middle initial P.

Yes he does: http://www.answersingenesis.org/contents/379/arj/v3/anisotropic_synchrony_convention.pdf
And he studied at the University of Colorado. It's him.



That seems to be the case. Thanks for the info.

I will correct my earlier post:

When it comes to black holes -- an environment where ordinary matter is compressed to subatomic scales -- then neither theory has anything valid to say. Such papers as this one are only flights of fancy and belong to the category of science fiction science fantasy.


:evilgrin:



But are there any errors in the paper ?

I don't think it's right to write off a piece of work because the author has religious views. If that was the case, we'd discount the works of Newton, John Polkinghorne, Chris Isham, Abdus Salam...
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