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Search results for invisibility cloaks

General Âé¶¹ÒùÔºics Sep 17, 2015

Making 3-D objects disappear: Researchers create ultrathin invisibility cloak

Invisibility cloaks are a staple of science fiction and fantasy, from Star Trek to Harry Potter, but don't exist in real life, or do they? Scientists at the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory ...

Optics & Photonics Sep 8, 2015

Photonics to revolutionise internet speeds

While people may have never heard of photonics before, they will surely have heard about the technology that relies on its existence, namely the internet, computers and smartphones.

Optics & Photonics Aug 10, 2015

Novel material design for undistorted light waves

Materials that locally amplify or absorb light allow surprising new kinds of light waves – this has now been shown by calculations at TU Wien (Vienna).

General Âé¶¹ÒùÔºics Jul 23, 2015

Video: Are invisibility cloaks possible?

Have you ever wished you could hide under an invisibility cloak like Harry Potter or conceal your car with a Klingon cloaking device like in Star Trek? In a special Thursday bonus episode of Reactions, we celebrate the International ...

Condensed Matter Jul 14, 2015

Density-near-zero acoustical metamaterial made in China

When a sound wave hits an obstacle and is scattered, the signal may be lost or degraded. But what if you could guide the signal around that obstacle, as if the interfering barrier didn't even exist? Recently, researchers ...

General Âé¶¹ÒùÔºics Jul 13, 2015

Clever cloaks: Unique metamaterials preserve phase while guiding surface waves around ultrasharp corners and bumps

(Âé¶¹ÒùÔº)—Today's photonic and plasmonic devices – the latter based on surface plasmons (a coherent delocalized electron oscillations that exist at the interface between metal and dielectric) and combining the small ...

General Âé¶¹ÒùÔºics Jul 7, 2015

Engineers give invisibility cloaks a slimmer design

Researchers have developed a new design for a cloaking device that overcomes some of the limitations of existing "invisibility cloaks." In a new study, electrical engineers at the University of California, San Diego have ...

Biochemistry Jul 1, 2015

Scientists unravel elusive structure of HIV protein

HIV, or human immunodeficiency virus, is the retrovirus that leads to acquired immunodeficiency syndrome or AIDS. Globally, about 35 million people are living with HIV, which constantly adapts and mutates creating challenges ...

General Âé¶¹ÒùÔºics Jul 1, 2015

Invisibility cloak aspirations inspire new metasurface material

A fabricated metasurface that leads to improved antenna performance may well represent the first demonstrated practical application for invisibility cloaks, according to Penn State researchers.

Consumer & Gadgets Jun 30, 2015

Hidden cameras, invisibility cloaks in Israeli spy expo

Hidden cameras, invisibility cloaks and mini-drones were among the gadgets on display Tuesday at an exhibition of Israeli surveillance technology, offering a rare peek into the secretive world of Israeli espionage.

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