it is presented in a most logical and believable way.
Posted on 07/10/2008 1:53:24 PM PDT by hripka
Rapid changes in the churning movement of Earth's liquid outer core are weakening the magnetic field in some regions of the planet's surface, a new study says.
"What is so surprising is that rapid, almost sudden, changes take place in the Earth's magnetic field," said study co-author Nils Olsen, a geophysicist at the Danish National Space Center in Copenhagen.
The findings suggest similarly quick changes are simultaneously occurring in the liquid metal, 1,900 miles (3,000 kilometers) below the surface, he said.
The swirling flow of molten iron and nickel around Earth's solid center triggers an electrical current, which generates the planet's magnetic field.
The study, published recently in Nature Geoscience, modeled Earth's magnetic field using nine years of highly accurate satellite data.
(Excerpt) Read more at news.nationalgeographic.com ...
When I was working in Ecuador I had some time to kill in Quito and took a cab to the equator monument...I really was looking for a toilet to flush to see what would happen.
it is presented in a most logical and believable way.
don't know if that's true or not, but it's largely irrelevant. The location of the north and south *magnetic* poles changes over time, and so does the direction a compass points at any given physical location.
Turns out, it's not true. London, very near to Greenwich, declination is 1 deg 52 minutes. At Mecca it is 2 degrees 51 minutes.
Ash Hat Lying Moose Limb.
I'll have to admit to that. I read it... oh... 20 years ago at least, and I still remember it. It wasn't a particularly well-written story, IMHO, but I found the central idea to be striking.
I agree. The background plot is terrible, but it puts pieces together to an unsolved geology puzzle. I scraped my pennies together and bought two copies — one hardback in excellent condition to keep and one paperback to share with friends who would not buy their own copy. I think it’s time to re-read it.
Microwaves with the turntables are OK as long as they reverse direction.
Elevators, lifting mass straight up, apply a Coriolis torque to the crust and can cause earthquakes if too many ascend at once.
These are all problems of Industrial Capitalism, and will go away once Industrial Capitalism has been replaced by Social Justice.
The planets magnets field reversal isn’t all that worrisome, but it’s ability to shield us from big space born “stuff” while in transition IS!
That theory is not supported by core samples from the poles and elsewhere.
Which theory? How should core samples support whichever theory?
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mostly related, re: J. Marvin Herndon:
Sun’s rays to roast Earth as poles flip
The Observer (U.K.) | 11/10/2002 | Robin McKie
Posted on 11/09/2002 5:59:37 PM PST by Pokey78
http://www.freerepublic.com/focus/f-news/786012/posts
Jupiter’s Spots Disappear Amid Major Climate Change
Space.com | 21 April 2004 | Robert Roy Britt
Posted on 04/21/2004 2:04:19 PM PDT by Yo-Yo
http://www.freerepublic.com/focus/f-news/1121982/posts
Scientific maverick’s theory on Earth’s core up for a test
SF Chronicle | Monday, November 29, 2004 | Keay Davidson
Posted on 12/05/2004 11:17:28 AM PST by SunkenCiv
http://www.freerepublic.com/focus/f-chat/1294934/posts
Cold Fusion — The Sun in a bottle
Alternative Science | before 2006 | Richard Milton
Posted on 06/10/2006 8:53:59 PM PDT by SunkenCiv
http://www.freerepublic.com/focus/f-bloggers/1647087/posts
Lava Left It’s Mark On Grand Canyon
ABC - Discovery News | 2-15-2008 | Larry O’Hanlon
Posted on 02/18/2008 4:08:37 PM PST by blam
http://www.freerepublic.com/focus/f-news/1972496/posts
Earth’s Hum Sounds More Mysterious Than Ever
LiveScience.com on Yahoo | 4/16/08 | Charles Q. Choi
Posted on 04/17/2008 11:07:31 AM PDT by NormsRevenge
http://www.freerepublic.com/focus/f-news/2003005/posts
-J. Marvin Herndon sidebar-
Slowly Strangling America’s Golden Goose
UnderstandEarth.com | 2006 | J. Marvin Herndon
Posted on 02/13/2008 10:58:23 PM PST by ForGod’sSake
http://www.freerepublic.com/focus/f-chat/1970113/posts
post 39 etc:
Sea floor records ancient Earth
BBC | Friday, 23 March 2007 | Jonathan Fildes
Posted on 03/23/2007 11:06:03 PM PDT by Ernest_at_the_Beach
39 posted on 03/25/2007 8:13:32 AM PDT by Ernest_at_the_Beach
http://www.freerepublic.com/focus/f-news/1805973/posts?page=39#39
:’)
http://www.snopes.com/science/coriolis.asp
[snip] The twisting effect of the Coriolis force is real and does influence certain large things like the movement of air masses, but the effect is so small that it plays no role in determining the direction in which water rotates as it exits from a draining sink or toilet. [end]
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2 of theose Long Counts are almost 12,000.
LOL!
“the earth precesses on it’s rotation axis every 14,000 years”
[snip] Like a wobbling top, the orientation of the Earth’s axis is slowly but continuously changing, tracing out a conical shape in a cycle of approximately 25,765 years [end]
http://en.wikipedia.org/wiki/Precession_(astronomy)
Tell that to the water in our commodes on the ship.
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