Invisibility Cloak?

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thugbear2005

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It may be a possibility, as stated here:
Invisibility Cloak on the Horizon, Scientists Say
By Steven Musil, CNET news.com

Scientists say they are a step closer to developing materials that will render people and other objects invisible.

Researchers say they can redirect light around 3-D objects using metamaterials--artificially engineered structures created at a nano scale that contain optical properties not found in nature, according to an Associated Press report.

People see objects as a result of the light reflecting or scattering off them. This new mixture of materials has "negative refractive" properties that keep light from being absorbed or reflected by the object, allowing only the light from behind the object to be seen. Essentially, the material bends visible light in a way that eliminates the creation of reflections or shadows in much the way water flows around a stone.
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Does this mean the octosuit from MGS4 could become a reality? I certainly hope so!

Read the full article here
 
Or expensive! But only affects limited wavelengths. I could imagine an object where all the blue stuff shows whats behind. Hey, wait! The TV weatherman's been doing that for 30 years!

It might be made to mask infrared, which would be useful. Even if it could be expanded to the entire visible spectrum, it would probably defeated by a simple spray of water. The water on the object's surface would be visible.

"I'm invisible!!!!!!"

"No, you're not. You're sweating!"
 
I seem to recall the concept of bending visible light being around for a long time now (relatively; about 2 years), but this is the closest to reality it has come. We can only wait as to what this develops into.
 
More like MGS2's stealth camo, not MGS4's Octocamo which is really good camouflage, not invisibility:

 
thugbear2005
Sure you could defeat it with a spray of water, but you would have to find it first.
Click to expand...
That just gives me visions of a Matrix style film but instead of guns, everyone runs around with a water spray :lol:
 
Pfft. Old news. If I turn the headlights on driving my bright red car I already apparently become invisible.
 
No. You can do it with a fibre optic cable.

And of course that's the mechanism at play here, just on a nanometre scale.
 
No, invisible.

People pull out and step out in front of me as if they didn't see me in my bright red, noisy sports car.

Oddly, if I drive round at night with the lights off everyone sees me...
 

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