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 World’s First Anti-Magnet to Serve as 'Magnetic Shield'

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lmm
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PostSubject: World’s First Anti-Magnet to Serve as 'Magnetic Shield'   Tue Oct 04, 2011 9:43 am

Science - SCITECH
World’s First Anti-Magnet to Serve as 'Magnetic Shield'

By Loren Grush

Published September 24, 2011

| FoxNews.com

X-men’s Magneto isn’t the only who can shield magnetic fields.

Spanish researchers have designed what they call the world's first "anti-magnet," a magnetic cloak that can act as a shield they envision helping the military and saving lives. For example, some types of mines in the ocean are set to detonate upon detection of magnetic fields from ships passing above them. Military ships could use an anti-magnet to stop their magnetic fields from tripping the mines.

“It was a big explosion in science [in 2008] -- the possibility of cloaking electromagnetic waves,” professor Alvar Sanchez from from Universitat Autònoma de Barcelona in Spain and the lead author of the design told FoxNews.com. “So we came up with the idea of trying to make something similar with magnetic fields, and now we have come up with a device we hope can be constructed eventually that will have these properties of an anti-magnet.”

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An anti-magnet could protect medical patients as readily as military ships, the researchers theorize. Potentially, those using pacemakers could interact more readily with medical equipment.

“For example, in magnetic resonance imaging [MRI], in principal, you can protect the pacemaker from the field, but often you would need to distort the magnetic field, so then the quality of the images is bad,” Sanchez told FoxNews.com. “We hope in the future our device can be put on the chest of the patient to prevent the magnetic field from entering, while at the same time not causing any distortion.”

While many benefits present themselves, some downsides have also surfaced. The researchers have acknowledged that criminals could potentially use the anti-magnet to confuse security scanners in places like airports. But the scientists think it could help develop more sophisticated security technology.

Read more: http://www.foxnews.com/scitech/2011/09/24/worlds-first-anti-magnet-to-serve-as-magnetic-shield/#ixzz1ZpAO6600


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Joy
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PostSubject: Re: World’s First Anti-Magnet to Serve as 'Magnetic Shield'   Tue Oct 04, 2011 11:03 am

The word 'cloak' in there makes my little nerd heart go pitter patter...haha...a cloaking device. Yes

Dishonorable minds will always find a way to use new technology for evil, but the good it does usually outweighs the bad.
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PostSubject: Re: World’s First Anti-Magnet to Serve as 'Magnetic Shield'   Thu Nov 03, 2011 11:12 am

Joy wrote:
The word 'cloak' in there makes my little nerd heart go pitter patter...haha...a cloaking device. Yes

Dishonorable minds will always find a way to use new technology for evil, but the good it does usually outweighs the bad.

I have the same thoughts in the same order...lol. Cloaking device... bounce
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PostSubject: Re: World’s First Anti-Magnet to Serve as 'Magnetic Shield'   Thu Nov 03, 2011 11:29 am

hmmmmmmmmmmm........need more info before I can weigh in on this.

Offhand, it would seem to be against the "present" laws of physics for such a device..........

Magnetic fields have a positive and a negative. How are you going to cancel out one without the other.......

Many attempts have been made to find a "neutral" for magnetic fields and all have failed due to the nature of the fields............

Is there a link to the "research" site???????????

Sorry, but right now I'm sensing another "dot.com" type scheme.........send your money and we'll make you a bzillionaire Very Happy
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Joy
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PostSubject: Re: World’s First Anti-Magnet to Serve as 'Magnetic Shield'   Fri Nov 04, 2011 8:25 am

Ubu, from the article lmm posted..."Their study will be published in the Institute of Physics and German Physical Society’s New Journal of Physics on Friday, Sept. 23."

Here's the link to that... http://iopscience.iop.org/1367-2630/13/9/093034 ...more info there & there is also a video on that link. Smile
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