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Invisibility cloak 'step closer'
08-11-2008, 09:03 AM,
#1
Invisibility cloak 'step closer'
Quote:Scientists in the US say they are a step closer to developing materials that could render people invisible.

Researchers at the University of California in Berkeley have developed a material that can bend light around 3D objects making them "disappear".

The materials do not occur naturally but have been created on a nano scale, measured in billionths of a metre.

The team says the principles could one day be scaled up to make invisibility cloaks large enough to hide people.

Stealth operations

The findings, by scientists led by Xiang Zhang, were published in the journals Nature and Science.

The new system works like water flowing around a rock, the researchers said.

Because light is not absorbed or reflected by the object, a person only sees the light from behind it - rendering the object invisible.

The new material produces has "negative refractive" properties. It has a multi-layered "fishnet" structure which is transparent over a wide range of light wavelengths.

The research, funded by the US government, could one day be used in military stealth operations - with tanks made to disappear from the enemies' sight.

http://news.bbc.co.uk/1/hi/sci/tech/7553061.stm
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08-25-2008, 01:04 PM,
#2
Invisibility cloak 'step closer'
5 year old story. I think i saw this in PC format
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08-26-2008, 04:01 PM,
#3
Invisibility cloak 'step closer'
Quote:The research, funded by the US government, could one day be used in military stealth operations - with tanks made to disappear from the enemies' sight.

bullshit it was being shown off in a technology fair in japan
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08-26-2008, 05:20 PM,
#4
Invisibility cloak 'step closer'
I want one! :D

Cheers
Quis custodiet ipsos custodes?
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Please understand that the &Light at the End of the Tunnel& is most likely to be the 7.42 from Kings Cross coming in the opposite direction at Great Speed.
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“First they ignore you, then they laugh at you, then they fight you, then you win.” - Bapu.
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08-26-2008, 05:22 PM,
#5
Invisibility cloak 'step closer'
Seriously though such has been undergoing trials in the UK for some time. It relies on taking images of the background then superimposing those images by on the tank (or whatever) in question. Bit difficult in a battelfield scenario I would have thought so doesn't seem that practical.

Cheers
Quis custodiet ipsos custodes?
------------------------------------------------------------------------------------------------------------------------
Please understand that the &Light at the End of the Tunnel& is most likely to be the 7.42 from Kings Cross coming in the opposite direction at Great Speed.
------------------------------------------------------------------------------------------------------------------------
“First they ignore you, then they laugh at you, then they fight you, then you win.” - Bapu.
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