Washington (AP) Scientists say they are a step closer to developing materials that could render people and objects invisible.
Researchers have demonstrated for the first time they were able to cloak three-dimensional objects using artificially engineered materials that redirect light around the objects.
Previously, they only have been able to cloak very thin two-dimensional objects.
The findings, by scientists at the University of California, Berkeley, are to be released later this week in the journals nature and science.
The new work moves scientists a step closer to hiding people and objects from visible light, which could have broad applications, including military ones.
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