ScienceDaily (2010-06-03) -- Chinese researchers have successfully built an electromagnetic absorbing device for microwave frequencies. The device, made of a thin cylinder comprising 60 concentric rings of metamaterials, is capable of absorbing microwave radiation, and has been compared to an astrophysical black hole (which, in space, soaks up matter and light).
http://www.sciencedaily.com/releases/2010/06/100603091829.htm
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