Le Forgeron wrote:

> Best so far: http://www.answers.com/topic/metamaterial

The only thing I have seen so far that even remotely fits the 
meta-materials description (with negative refraction) is something on 
the scale of microwaves (which looks like a grid of printed circuit 
boards), unless opal does. Opal seems to show irridescent-like 
properties (gee, opalescense?), but none of the weirder properties that 
the described metamaterial has. I don't know if microwaves refract in 
the same fashion as light does, though I'm sure there are theoretical 
materials that refract microwaves.

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~Mike

Things! Billions of them!

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