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Invisibility

RESEARCH WATCH

Tunable electromagnetic 'invisible gateway' brings science closer to fiction

By Dario Borghino

17:30 August 26, 2009 PDT

The structure of the invisible electromagnetic gateway is comprised of two perfect electri...

Harnessing the unique properties of metamaterials, researchers in China have recently published a work detailing the implementation of a thin air, broadband and remotely controllable 'invisible gateway' that is able to shield all types of electromagnetic waves while letting through all other physical objects. Read More

RESEARCH WATCH

Newly theorized active cloaking could achieve broadband invisibility

By Dario Borghino

18:41 August 24, 2009 PDT

With active cloaking, three devices placed around an object neutralize and later rebuild t...

Mathematicians at the University of Utah have recently announced they have elaborated an innovative way to shield two-dimensional objects from all types of waves, from electromagnetic to those caused by natural events like earthquakes and tsunamis, leading the way to a completely new approach to achieving invisibility. Read More

RESEARCH WATCH

Invisibility cloaking creeps closer to reality

By Dario Borghino

18:28 July 18, 2009 PDT

The dc metamaterial designed by the group at UAB is invisible to magnetic and low-frequenc...

Researchers at the Universitat Autonoma de Barcelona have recently designed a peculiar material — called a dc metamaterial — that has the property of making objects wrapped in it undetectable to magnetic and very low-frequency electromagnetic fields. The breakthrough brings the dream of "invisibility cloaking" closer to reality and could have important repercussions in both the military and medical fields. Read More

SCIENCE AND EDUCATION

Bringing sight to the invisible

By Darren Quick

23:43 March 17, 2009 PDT

Harry Potter and his cloak of invisibility - which you can't see obviously

Invisibility has been a staple of science fiction, (and my own personal fantasies), for decades and in recent years we’ve watched as fiction edges ever closer to reality through the use of metamaterials. The problem with most of the devices currently being researched however, is that since they totally encompass the object being rendered invisible, they are also rendered blind as well, which kind of defeats the purpose. But a team from Hong Kong’s University of Science and Technology believes they have come up with an answer to this problem and that it is indeed possible to create a cloaking device that would be able to render an object invisible without encompassing it. Read More

RESEARCH WATCH

Invisibility metamaterials research breakthrough

By Kyle Sherer

05:54 August 17, 2008 PDT

A scanning electron microscope image of the fabricated structure, developed by UC Berkeley...

Development in metamaterials - the so called “left handed” composite materials that negatively refract light waves and promise the sci-fi scenario of rendering objects invisible - is accelerating with news this week of two breakthroughs from scientists at the University of California, Berkeley. Read More

 
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