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What sane person could live in this world and not be crazy? -- Ursula K. LeGuin

arts / rec.arts.sf.written / Re: xkcd: Thanksgiving Arguments

SubjectAuthor
* xkcd: Thanksgiving ArgumentsLynn McGuire
`* Re: xkcd: Thanksgiving ArgumentsQuadibloc
 +* Re: xkcd: Thanksgiving ArgumentsPaul S Person
 |+* Re: xkcd: Thanksgiving ArgumentsDimensional Traveler
 ||+- Re: xkcd: Thanksgiving Argumentspete...@gmail.com
 ||+- Re: xkcd: Thanksgiving ArgumentsAndrew McDowell
 ||`- Re: xkcd: Thanksgiving ArgumentsQuadibloc
 |`- Re: xkcd: Thanksgiving ArgumentsLynn McGuire
 `- Re: xkcd: Thanksgiving ArgumentsKevrob

1
xkcd: Thanksgiving Arguments

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From: lynnmcgu...@gmail.com (Lynn McGuire)
Newsgroups: rec.arts.sf.written
Subject: xkcd: Thanksgiving Arguments
Date: Thu, 23 Nov 2023 18:42:52 -0600
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 by: Lynn McGuire - Fri, 24 Nov 2023 00:42 UTC

xkcd: Thanksgiving Arguments
https://xkcd.com/2858/

“Title text: An occasional source of mild Thanksgiving tension in my
family is that my mother is a die-hard fan of The Core (2003), and
various family members sometimes have differing levels of enthusiasm for
her annual tradition of watching it.”

Noooooooooooooo ! ! ! ! ! ! ! !

Explained at:
https://www.explainxkcd.com/wiki/index.php/2858:_Thanksgiving_Arguments

Lynn

Re: xkcd: Thanksgiving Arguments

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Subject: Re: xkcd: Thanksgiving Arguments
From: jsav...@ecn.ab.ca (Quadibloc)
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 by: Quadibloc - Fri, 24 Nov 2023 03:19 UTC

On Thursday, November 23, 2023 at 5:42:59 PM UTC-7, Lynn McGuire wrote:
> xkcd: Thanksgiving Arguments
> https://xkcd.com/2858/
>
> “Title text: An occasional source of mild Thanksgiving tension in my
> family is that my mother is a die-hard fan of The Core (2003), and
> various family members sometimes have differing levels of enthusiasm for
> her annual tradition of watching it.”
>
> Noooooooooooooo ! ! ! ! ! ! ! !
>
> Explained at:
> https://www.explainxkcd.com/wiki/index.php/2858:_Thanksgiving_Arguments

I see that the movie is still popular enough that the copyright owner has managed
to keep pirated copies off the Internet.

And I found this YouTube video that explains the problem with that particular
movie. *Really* bad science.

Hey, but it *is* true that:

- the Sun has a magnetic field

- the Earth has a core made of iron, which can conduct electricity,

- the Earth rotates

- therefore, the Sun induces electric currents in the Earth's core
that go around in circles, and this is how the Earth developed a
magnetic field in the first place.

So the Earth's magnetic field does have something to do with the rotation
of the Earth's core. At least they got *that* part right, although everything
else from there on got badly garbled.

John Savard

Re: xkcd: Thanksgiving Arguments

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From: psper...@old.netcom.invalid (Paul S Person)
Newsgroups: rec.arts.sf.written
Subject: Re: xkcd: Thanksgiving Arguments
Date: Fri, 24 Nov 2023 08:20:52 -0800
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 by: Paul S Person - Fri, 24 Nov 2023 16:20 UTC

On Thu, 23 Nov 2023 19:19:16 -0800 (PST), Quadibloc
<jsavard@ecn.ab.ca> wrote:

>On Thursday, November 23, 2023 at 5:42:59?PM UTC-7, Lynn McGuire wrote:
>> xkcd: Thanksgiving Arguments
>> https://xkcd.com/2858/
>>
>> “Title text: An occasional source of mild Thanksgiving tension in my
>> family is that my mother is a die-hard fan of The Core (2003), and
>> various family members sometimes have differing levels of enthusiasm for
>> her annual tradition of watching it.”
>>
>> Noooooooooooooo ! ! ! ! ! ! ! !
>>
>> Explained at:
>> https://www.explainxkcd.com/wiki/index.php/2858:_Thanksgiving_Arguments
>
>I see that the movie is still popular enough that the copyright owner has managed
>to keep pirated copies off the Internet.
>
>And I found this YouTube video that explains the problem with that particular
>movie. *Really* bad science.
>
>Hey, but it *is* true that:
>
>- the Sun has a magnetic field
>
>- the Earth has a core made of iron, which can conduct electricity,
>
>- the Earth rotates
>
>- therefore, the Sun induces electric currents in the Earth's core
>that go around in circles, and this is how the Earth developed a
>magnetic field in the first place.
>
>So the Earth's magnetic field does have something to do with the rotation
>of the Earth's core. At least they got *that* part right, although everything
>else from there on got badly garbled.

Didn't catch it when it came out, but it is on my list so I'll be
watching it some day.

I could use a good [1] Thanksgiving movie. Somehow, I don't think this
will be it.

[1] "good" in the sense that /Tokyo Godfathers/ is a good Christmas
movie.
--
"Here lies the Tuscan poet Aretino,
Who evil spoke of everyone but God,
Giving as his excuse, 'I never knew him.'"

Re: xkcd: Thanksgiving Arguments

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From: dtra...@sonic.net (Dimensional Traveler)
Newsgroups: rec.arts.sf.written
Subject: Re: xkcd: Thanksgiving Arguments
Date: Fri, 24 Nov 2023 09:21:07 -0800
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 by: Dimensional Traveler - Fri, 24 Nov 2023 17:21 UTC

On 11/24/2023 8:20 AM, Paul S Person wrote:
> On Thu, 23 Nov 2023 19:19:16 -0800 (PST), Quadibloc
> <jsavard@ecn.ab.ca> wrote:
>
>> On Thursday, November 23, 2023 at 5:42:59?PM UTC-7, Lynn McGuire wrote:
>>> xkcd: Thanksgiving Arguments
>>> https://xkcd.com/2858/
>>>
>>> “Title text: An occasional source of mild Thanksgiving tension in my
>>> family is that my mother is a die-hard fan of The Core (2003), and
>>> various family members sometimes have differing levels of enthusiasm for
>>> her annual tradition of watching it.”
>>>
>>> Noooooooooooooo ! ! ! ! ! ! ! !
>>>
>>> Explained at:
>>> https://www.explainxkcd.com/wiki/index.php/2858:_Thanksgiving_Arguments
>>
>> I see that the movie is still popular enough that the copyright owner has managed
>> to keep pirated copies off the Internet.
>>
>> And I found this YouTube video that explains the problem with that particular
>> movie. *Really* bad science.
>>
>> Hey, but it *is* true that:
>>
>> - the Sun has a magnetic field
>>
>> - the Earth has a core made of iron, which can conduct electricity,
>>
>> - the Earth rotates
>>
>> - therefore, the Sun induces electric currents in the Earth's core
>> that go around in circles, and this is how the Earth developed a
>> magnetic field in the first place.
>>
>> So the Earth's magnetic field does have something to do with the rotation
>> of the Earth's core. At least they got *that* part right, although everything
>> else from there on got badly garbled.
>
> Didn't catch it when it came out, but it is on my list so I'll be
> watching it some day.
>
> I could use a good [1] Thanksgiving movie. Somehow, I don't think this
> will be it.
>
> [1] "good" in the sense that /Tokyo Godfathers/ is a good Christmas
> movie.

And as usual Quaddie has got something wrong. The Sun does not induce
electric currents in the Earth's core. The Earth's core does that all
on its lonesome.

--
I've done good in this world. Now I'm tired and just want to be a cranky
dirty old man.

Re: xkcd: Thanksgiving Arguments

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Subject: Re: xkcd: Thanksgiving Arguments
From: petert...@gmail.com (pete...@gmail.com)
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 by: pete...@gmail.com - Fri, 24 Nov 2023 21:17 UTC

On Friday, November 24, 2023 at 12:21:11 PM UTC-5, Dimensional Traveler wrote:
> On 11/24/2023 8:20 AM, Paul S Person wrote:
> > On Thu, 23 Nov 2023 19:19:16 -0800 (PST), Quadibloc
> > <jsa...@ecn.ab.ca> wrote:
> >
> >> On Thursday, November 23, 2023 at 5:42:59?PM UTC-7, Lynn McGuire wrote:
> >>> xkcd: Thanksgiving Arguments
> >>> https://xkcd.com/2858/
> >>>
> >>> “Title text: An occasional source of mild Thanksgiving tension in my
> >>> family is that my mother is a die-hard fan of The Core (2003), and
> >>> various family members sometimes have differing levels of enthusiasm for
> >>> her annual tradition of watching it.”
> >>>
> >>> Noooooooooooooo ! ! ! ! ! ! ! !
> >>>
> >>> Explained at:
> >>> https://www.explainxkcd.com/wiki/index.php/2858:_Thanksgiving_Arguments
> >>
> >> I see that the movie is still popular enough that the copyright owner has managed
> >> to keep pirated copies off the Internet.
> >>
> >> And I found this YouTube video that explains the problem with that particular
> >> movie. *Really* bad science.
> >>
> >> Hey, but it *is* true that:
> >>
> >> - the Sun has a magnetic field
> >>
> >> - the Earth has a core made of iron, which can conduct electricity,
> >>
> >> - the Earth rotates
> >>
> >> - therefore, the Sun induces electric currents in the Earth's core
> >> that go around in circles, and this is how the Earth developed a
> >> magnetic field in the first place.
> >>
> >> So the Earth's magnetic field does have something to do with the rotation
> >> of the Earth's core. At least they got *that* part right, although everything
> >> else from there on got badly garbled.
> >
> > Didn't catch it when it came out, but it is on my list so I'll be
> > watching it some day.
> >
> > I could use a good [1] Thanksgiving movie. Somehow, I don't think this
> > will be it.
> >
> > [1] "good" in the sense that /Tokyo Godfathers/ is a good Christmas
> > movie.
> And as usual Quaddie has got something wrong. The Sun does not induce
> electric currents in the Earth's core. The Earth's core does that all
> on its lonesome.

It really complicated, and difficult to model. Convection causes molten iron in
the outer core to circulate, and a conductor moving in the magnetic field generates
electrical currents, which in turn generate more magnetic fields. On top of that, you
have to factor in Coriolis force, and the magnetic and electric fields exerting force
on the flowing molten iron.

Pt

Re: xkcd: Thanksgiving Arguments

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Subject: Re: xkcd: Thanksgiving Arguments
From: mcdowell...@sky.com (Andrew McDowell)
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 by: Andrew McDowell - Sat, 25 Nov 2023 13:00 UTC

On Friday, November 24, 2023 at 5:21:11 PM UTC, Dimensional Traveler wrote:
> On 11/24/2023 8:20 AM, Paul S Person wrote:
> > On Thu, 23 Nov 2023 19:19:16 -0800 (PST), Quadibloc
> > <jsa...@ecn.ab.ca> wrote:
> >
> >> On Thursday, November 23, 2023 at 5:42:59?PM UTC-7, Lynn McGuire wrote:
> >>> xkcd: Thanksgiving Arguments
> >>> https://xkcd.com/2858/
> >>>
> >>> “Title text: An occasional source of mild Thanksgiving tension in my
> >>> family is that my mother is a die-hard fan of The Core (2003), and
> >>> various family members sometimes have differing levels of enthusiasm for
> >>> her annual tradition of watching it.”
> >>>
> >>> Noooooooooooooo ! ! ! ! ! ! ! !
> >>>
> >>> Explained at:
> >>> https://www.explainxkcd.com/wiki/index.php/2858:_Thanksgiving_Arguments
> >>
> >> I see that the movie is still popular enough that the copyright owner has managed
> >> to keep pirated copies off the Internet.
> >>
> >> And I found this YouTube video that explains the problem with that particular
> >> movie. *Really* bad science.
> >>
> >> Hey, but it *is* true that:
> >>
> >> - the Sun has a magnetic field
> >>
> >> - the Earth has a core made of iron, which can conduct electricity,
> >>
> >> - the Earth rotates
> >>
> >> - therefore, the Sun induces electric currents in the Earth's core
> >> that go around in circles, and this is how the Earth developed a
> >> magnetic field in the first place.
> >>
> >> So the Earth's magnetic field does have something to do with the rotation
> >> of the Earth's core. At least they got *that* part right, although everything
> >> else from there on got badly garbled.
> >
> > Didn't catch it when it came out, but it is on my list so I'll be
> > watching it some day.
> >
> > I could use a good [1] Thanksgiving movie. Somehow, I don't think this
> > will be it.
> >
> > [1] "good" in the sense that /Tokyo Godfathers/ is a good Christmas
> > movie.
> And as usual Quaddie has got something wrong. The Sun does not induce
> electric currents in the Earth's core. The Earth's core does that all
> on its lonesome.
>
> --
> I've done good in this world. Now I'm tired and just want to be a cranky
> dirty old man.
I wanted Blish's world, where there is a strange a subtle connection between spinning objects and electromagnetism, and if you understand it you get the Spindizzy, and almost all you need to have cities flying from star to star :-)

Re: xkcd: Thanksgiving Arguments

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From: lynnmcgu...@gmail.com (Lynn McGuire)
Newsgroups: rec.arts.sf.written
Subject: Re: xkcd: Thanksgiving Arguments
Date: Mon, 27 Nov 2023 14:59:21 -0600
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 by: Lynn McGuire - Mon, 27 Nov 2023 20:59 UTC

On 11/24/2023 10:20 AM, Paul S Person wrote:
> On Thu, 23 Nov 2023 19:19:16 -0800 (PST), Quadibloc
> <jsavard@ecn.ab.ca> wrote:
>
>> On Thursday, November 23, 2023 at 5:42:59?PM UTC-7, Lynn McGuire wrote:
>>> xkcd: Thanksgiving Arguments
>>> https://xkcd.com/2858/
>>>
>>> “Title text: An occasional source of mild Thanksgiving tension in my
>>> family is that my mother is a die-hard fan of The Core (2003), and
>>> various family members sometimes have differing levels of enthusiasm for
>>> her annual tradition of watching it.”
>>>
>>> Noooooooooooooo ! ! ! ! ! ! ! !
>>>
>>> Explained at:
>>> https://www.explainxkcd.com/wiki/index.php/2858:_Thanksgiving_Arguments
>>
>> I see that the movie is still popular enough that the copyright owner has managed
>> to keep pirated copies off the Internet.
>>
>> And I found this YouTube video that explains the problem with that particular
>> movie. *Really* bad science.
>>
>> Hey, but it *is* true that:
>>
>> - the Sun has a magnetic field
>>
>> - the Earth has a core made of iron, which can conduct electricity,
>>
>> - the Earth rotates
>>
>> - therefore, the Sun induces electric currents in the Earth's core
>> that go around in circles, and this is how the Earth developed a
>> magnetic field in the first place.
>>
>> So the Earth's magnetic field does have something to do with the rotation
>> of the Earth's core. At least they got *that* part right, although everything
>> else from there on got badly garbled.
>
> Didn't catch it when it came out, but it is on my list so I'll be
> watching it some day.
>
> I could use a good [1] Thanksgiving movie. Somehow, I don't think this
> will be it.
>
> [1] "good" in the sense that /Tokyo Godfathers/ is a good Christmas
> movie.

"The Core" has Muerte ("Undercover Blues", Stanley Tucci) in it so that
is good, he carries the movie as a snotty version of Carl Sagan. The
science is not good. The rock cutting lasers would be awesome if they
were real.
https://www.imdb.com/title/tt0298814/

Lynn

Re: xkcd: Thanksgiving Arguments

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Subject: Re: xkcd: Thanksgiving Arguments
From: jsav...@ecn.ab.ca (Quadibloc)
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 by: Quadibloc - Mon, 27 Nov 2023 21:32 UTC

On Friday, November 24, 2023 at 10:21:11 AM UTC-7, Dimensional Traveler wrote:

> And as usual Quaddie has got something wrong. The Sun does not induce
> electric currents in the Earth's core. The Earth's core does that all
> on its lonesome.

It does _now_, because the Earth has a magnetic field. But back before it had
one, the Sun needed to get it started.

John Savard

Re: xkcd: Thanksgiving Arguments

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Subject: Re: xkcd: Thanksgiving Arguments
From: kev...@my-deja.com (Kevrob)
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 by: Kevrob - Mon, 27 Nov 2023 22:11 UTC

On Thursday, November 23, 2023 at 10:19:19 PM UTC-5, Quadibloc wrote:

[snip]

> I see that the movie is still popular enough that the copyright owner has managed
> to keep pirated copies off the Internet.

2 free sources here:

https://www.google.com/search?client=firefox-b-1-d&q=core+2003+stream

--
Kevin R

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