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<<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY

 
3RD DAY RISING
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10/19/2006 09:46 PM
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<<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
This is impressive... They pulled a David Copperfield and made an object disappear entirely, aside form some slight lighting/shadow casting... Just great, now TPTB are going to be invisible... lol

[link to news.yahoo.com]

Scientists create cloak of invisibility By RANDOLPH E. SCHMID, AP Science Writer
2 hours, 9 minutes ago



Scientists are boldly going where only fiction has gone before — to develop a Cloak of Invisibility. It isn't quite ready to hide a Romulan space ship from Capt. James T. Kirk or to disguise Harry Potter, but it is a significant start and could show the way to more sophisticated designs.

In this first successful experiment, researchers from the United States and England were able to cloak a copper cylinder.

It's like a mirage, where heat causes the bending of light rays and cloaks the road ahead behind an image of the sky.

"We have built an artificial mirage that can hide something from would-be observers in any direction," said cloak designer David Schurig, a research associate in Duke University's electrical and computer engineering department.

For their first attempt, the researchers designed a cloak that prevents microwaves from detecting objects. Like light and radar waves, microwaves usually bounce off objects, making them visible to instruments and creating a shadow that can be detected.

Cloaking used special materials to deflect radar or light or other waves around an object, like water flowing around a smooth rock in a stream. It differs from stealth technology, which does not make an aircraft invisible but reduces the cross-section available to radar, making it hard to track.

The new work points the way for an improved version that could hide people and objects from visible light.

Conceptually, the chance of adapting the concept to visible light is good, Schurig said in a telephone interview. But, he added, "From an engineering point of view it is very challenging."

The cloaking of a cylinder from microwaves comes just five months after Schurig and colleagues published their theory that it should be possible. Their work is reported in a paper in Friday's issue of the journal Science.

"We did this work very quickly ... and that led to a cloak that is not optimal," said co-author David R. Smith, also of Duke. "We know how to make a much better one."

The first working cloak was in only two dimensions and did cast a small shadow, Smith said. The next step is to go for three dimensions and to eliminate any shadow.

Viewers can see things because objects scatter the light that strikes them, reflecting some of it back to the eye.

"The cloak reduces both an object's reflection and its shadow, either of which would enable its detection," Smith said.

The cloak is made of metamaterials, which are mixtures of metal and circuit board materials such as ceramic, Teflon or fiber composite.

In an ideal situation, the cloak and the item it is hiding would be invisible. An observer would see whatever is beyond them, with no evidence the cloaked item exists.

"Since we do not have a perfect cloak at this point, there is some reflection and some shadow, meaning that the background would still be visible just darkened somewhat. ... We now just need to improve the performance of cloaking structures."

In a very speculative application, he added, "one could imagine 'cloaking' acoustic waves, so as to shield a region from vibration or seismic activity."

Natalia M. Litchinitser, a researcher at the University of Michigan department of electrical engineering and computer science who was not part of the research team, said the ideas raised by the work "represent a first step toward the development of functional materials for a wide spectrum of civil and military applications."

Joining Schurig and Smith in the project were researchers at Imperial College in London and SensorMetrix, a materials and technology company in San Diego.

The research was supported by the Intelligence Community Postdoctoral Research Fellowship Program and the United Kingdom Engineering and Physical Sciences Research Council.

___

On the Net:

Science: [link to www.sciencemag.org]
Aegeus

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10/19/2006 09:49 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
Fecking great! MIB meets Predator, just what we need gaah
Infinite questions...one answer.
3RD DAY RISING (OP)

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10/19/2006 09:50 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
Fecking great! MIB meets Predator, just what we need gaah
 Quoting: Aegeus



My sentiments exactly. Imagine when they are able to cloak aircraft etc. Of course, this is now public knowledge so they probably already have this technology...
Aegeus

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10/19/2006 09:57 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
My sentiments exactly. Imagine when they are able to cloak aircraft etc. Of course, this is now public knowledge so they probably already have this technology...
 Quoting: 3RD DAY RISING

Or cloaked missles! And yes i'm sure their available tech is much further ahead.

Still, cloaked agents is a creepy thought. Talk about psychological advantage! Impersonate a ghost and haunt the enemy into submission! hidb
Infinite questions...one answer.
PROFF
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10/19/2006 09:59 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
LIGHT REFLECTS OF MOST SURFACES, YOUR EYS AND BRAIN CAN DETERMINE DISTANCE.
TOGETHER YOU CAN SEE LIGHT REFLECTED OR BOUNCED FROM ANY DISTANCE .
THIS SOUNDS LIKE MORE CRAP bsflag
3RD DAY RISING (OP)

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10/19/2006 10:00 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
My sentiments exactly. Imagine when they are able to cloak aircraft etc. Of course, this is now public knowledge so they probably already have this technology...

Or cloaked missles! And yes i'm sure their available tech is much further ahead.

Still, cloaked agents is a creepy thought. Talk about psychological advantage! Impersonate a ghost and haunt the enemy into submission! hidb
 Quoting: Aegeus




We could settle this whole war with Iran right now. Just have the CIA operative, adorned with cloak, slip into Iran and appear to Irans president claiming to be allah. Then, under that guise, convice the pres that he must take himself and every other radical muslim and jump into that well in order to be saved..laugh
Anonymous Coward
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10/19/2006 10:03 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
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Aegeus

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10/19/2006 10:05 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
We could settle this whole war with Iran right now. Just have the CIA operative, adorned with cloak, slip into Iran and appear to Irans president claiming to be allah. Then, under that guise, convice the pres that he must take himself and every other radical muslim and jump into that well in order to be saved..laugh
 Quoting: 3RD DAY RISING

That's so nuts it just might work!

Of course if he gets the tech, God only know what Bush could be convinced of by a voice from "The Lord"

uhoh
Infinite questions...one answer.
Anonymous Coward
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10/19/2006 10:19 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
Fecking great! MIB meets Predator, just what we need gaah



My sentiments exactly. Imagine when they are able to cloak aircraft etc. Of course, this is now public knowledge so they probably already have this technology...
 Quoting: 3RD DAY RISING



BINGO!
3RD DAY RISING (OP)

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10/20/2006 10:14 AM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
Only 8 replies?? Wow! Our government has access to "Harry Potter" type technology and that is all the response. At least Trinity pinned the original article to the news column on the left.

This is really big stuff if you sit and think about it.

The capabilities this would present to its holder are incredible. Frame people for murders, plant evidence in homes, whack people/dissidents and be unseen, even in broad daylight and in public view. I can hear the headlines already. The witnesses would sound like a bunch of looney toons.

That is just on the personal level. Now imagine warplanes, tanks, uav's firing invisible weapons! Nobody would see a rocket or a missile, just a detonation and the resulting bloodbath.

This is getting down right frightening because in the hands of a dictator, can you imagine what they could do to their own people???
Anonymous Coward
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10/20/2006 10:57 AM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
Only 8 replies?? Wow! Our government has access to "Harry Potter" type technology and that is all the response. At least Trinity pinned the original article to the news column on the left.

This is really big stuff if you sit and think about it.

The capabilities this would present to its holder are incredible. Frame people for murders, plant evidence in homes, whack people/dissidents and be unseen, even in broad daylight and in public view. I can hear the headlines already. The witnesses would sound like a bunch of looney toons.

That is just on the personal level. Now imagine warplanes, tanks, uav's firing invisible weapons! Nobody would see a rocket or a missile, just a detonation and the resulting bloodbath.

This is getting down right frightening because in the hands of a dictator, can you imagine what they could do to their own people???
 Quoting: 3RD DAY RISING


me wonders if ET's have been walking amongst us for some time. predator ain't so funny now, is it bitchez ;p
Gravian

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12/27/2006 04:39 PM
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Re: <<<<<HARRY POTTER meets science - SCIENTISTS create first CLOAK OF INVISIBILITY
The original link to yahoo news is dead, could someone post a new one? This is very relevant to my interests.

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