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Search results for invisibility cloaks

General Âé¶¹ÒùÔºics Mar 4, 2011

Invisibility cloaks may be just around the corner

In 1897, H.G. Wells created a fictional scientist who became invisible by changing his refractive index to that of air, so that his body could not absorb or reflect light. More recently, Harry Potter disappeared from sight ...

General Âé¶¹ÒùÔºics Feb 1, 2011

Âé¶¹ÒùÔºicists scale up invisibility cloaks using natural crystals

(Âé¶¹ÒùÔºOrg.com) -- Âé¶¹ÒùÔºicists from the University of Birmingham, with colleagues at Imperial College, London, and Technical University of Denmark, have demonstrated an 'invisibility cloak' that can hide a three-dimensional ...

General Âé¶¹ÒùÔºics Jan 25, 2011

New approach to invisibility cloaking gets much closer to the science-fiction version

The idea of being able to become invisible, especially by simply covering up a person or an object with a special cloak, has a perennial appeal in science-fiction and fantasy literature. In recent years, researchers have ...

General Âé¶¹ÒùÔºics Jan 24, 2011

GRIN plasmonics: A practical path to superfast computing, invisibility carpet-cloaking devices

(Âé¶¹ÒùÔºOrg.com) -- Berkeley Lab researchers have carried out the first experimental demonstration of GRIN plasmonics, a hybrid technology that opens the door to a wide range of exotic applications in optics, including superfast ...

Condensed Matter Jan 21, 2011

Plasmonic metamaterials: From microscopes to invisibility cloaks

(Âé¶¹ÒùÔºOrg.com) -- A new class of artificial materials called metamaterials -- which derive their properties from carefully engineered, nanostructured building blocks rather than from their chemical composition -- may one day ...

Nanophysics Jan 11, 2011

Plasmonics: From metallic foils to cancer treatment

In a timely review paper, scientists from Japan, Germany, and Spain provide a highly relevant overview of the history, physical interpretation and applications of plasmons in metallic nanostructures.

General Âé¶¹ÒùÔºics Jan 5, 2011

Newly developed cloak hides underwater objects from sonar

In one University of Illinois lab, invisibility is a matter of now you hear it, now you don't.

Quantum Âé¶¹ÒùÔºics Dec 16, 2010

Science's breakthrough of the year: The first quantum machine

Until this year, all human-made objects have moved according to the laws of classical mechanics. Back in March, however, a group of researchers designed a gadget that moves in ways that can only be described by quantum mechanics ...

Plants & Animals Nov 23, 2010

Shining symbiosis: Bobtail squid and their bacteria buddies

In deep ocean waters, it's sometimes difficult to hide from predators. That's why so many sea creatures have evolved extraordinary methods of disguise.

Astronomy Nov 23, 2010

Spitzer sees shrouded burst of stars

(Âé¶¹ÒùÔºOrg.com) -- Astronomers using NASA's Spitzer Space Telescope have found a stunning burst of star formation that beams out as much infrared light as an entire galaxy. The collision of two spiral galaxies has triggered ...

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