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Not only Harry Potter, now you too can have invisible cloaks

According To A Study Published In The Journal Scientific Reports, Scientists Have Manufactured A Vanish Device By Using A Complex Substance That Can Enhance An Object's Surface Properties, An Advance That May Lead To Practical Invisibility Cloaks.

News Nation Bureau | Edited By : Neha Singh | Updated on: 18 Jul 2016, 07:31:43 PM
 invisible cloaks

New Delhi:

According to a study published in the journal Scientific Reports, scientists have manufactured a vanish device by using a complex substance that can enhance an object's surface properties, an advance that may lead to practical invisibility cloaks.

Researchers from Queen Mary University of London (QMUL) School of Electronic Engineering and Computer Science,  exhibited it for the first time, a pragmatic cloaking machine that permits curved surfaces to appear flat to electromagnetic waves.

"The design is based upon transformation optics, an  abstraction behind the plan of the invisibility cloak," said Yang Hao from QMUL.
"Previous research has shown this technique working at one frequency. However, we can demonstrate that it works at a greater range of frequencies making it more useful for other engineering applications, such as nano-antennas and the aerospace industry," Hao said.

The researchers overlayed a curved surface with a nanocomposite medium, which has seven distinct layers (called graded index nanocomposite) where the electric property of each layer varies depending on the position.

The  out-turn is to 'cloak' the object. It is noteworthy that such composition can conceal an object that would normally have caused the wave to fling.

The unrevealed pattern approach has ample applications, ranging from microwave to optics for the jurisdiction of any kind of electromagnetic surface waves.

"The study and manipulation of surface waves is the key to develop technological and industrial solutions in the design of real-life platforms, for different application fields," said Luigi La Spada from QMUL.

"We demonstrated a practical possibility to use nanocomposites to control surface wave propagation through advanced additive manufacturing," said La Spada.

"Perhaps most importantly, the approach used can be applied to other physical phenomena that are described by wave equations, such as acoustics," he added.

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First Published : 18 Jul 2016, 07:25:00 PM

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