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Nanotechnology

China counters U.S. invisibility cloak

Chinese researchers, fearful that a U.S. invisibility cloak could hide objects from view while also blinding anyone inside, have devised what they call an anti-cloaking layer that solves the latter problem.

"Cloaking is an important problem since invisibility can help survival in hostile environment," says Huanyang Chen of Shanghai Jiao Tong University in China. He and his colleagues have proposed a theoretical "anti-cloak" that would partially cancel the effect of the invisibility cloak, which is another important problem as it turns out.

Full story from Science Daily.