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Old 08-10-2008, 08:55 PM   #1 (permalink)
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Two new materials created to bend light

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Scientists have created two new types of materials that can bend light the wrong way, creating the first step toward an invisibility cloaking device.
One approach uses a type of fishnet of metal layers to reverse the direction of light, while another uses tiny silver wires, both at the nanoscale level.
Both are so-called metamaterials -- artificially engineered structures that have properties not seen in nature, such as negative refractive index.
Invisibility cloak one step closer, scientists say - Yahoo! News
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Old 08-10-2008, 09:52 PM   #2 (permalink)
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Old 08-10-2008, 11:48 PM   #3 (permalink)
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Have I ever mentioned that I despise popular science journalists, or is it just the people who write their headlines?
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Originally Posted by from an article titled "Invisibility cloak one step closer"
Each new material works to reverse light in limited wavelengths, so no one will be using them to hide buildings from satellites, said Jason Valentine, who worked on one of the projects.

"We are not actually cloaking anything," Valentine said in a telephone interview. "I don't think we have to worry about invisible people walking around any time soon. To be honest, we are just at the beginning of doing anything like that."
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