First battery-powered invisibility cloaking device designed

December 18, 2013 4:50 PM

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Thus far, cloaks have relied on passive technology; in other words, they are not designed to draw energy from an external source.

Led by Andrea Alù, associate professor in the Department of Electrical and Computer Engineering, the research team has come up with a design for an active cloaking device that draws energy from a battery, which enables objects to become undetectable to radio sensors over a greater range of frequenci...

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