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Latest Cloak Stories

'Invisibility' Cloak For Buildings No Longer Just Sci-Fi
2012-02-14 14:15:49

A group of British researchers has been hard at work attempting to bring a seemingly kooky, outlandish idea into the realm of the real. Their work has focused on attempting to create a proverbial invisibility cloak that would enable engineers to ℠hide´ buildings from earthquake tremors and other destructive forces. Once the exclusive territory of science-fiction, scientists have explored the theory of ℠cloaking´ in a variety of contexts and fields in recent years. One...

Scientists Make Time Disappear
2012-01-05 11:39:46

Physicists working with the support from the US government said on Wednesday they had devised a “time cloak” that can make time disappear, albeit briefly. The device manipulates the flow of light in such a way that an event cannot be seen for about 40 trillionths of a second -- or 40 picoseconds -- by speeding up and slowing down different parts of a light beam. The different parts of the light beam were then re-assembled, so that any observers could not detect what happened...

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2011-08-09 10:10:00

Despite becoming a popular idea through science fiction, fantasy novels and films, a cloak that renders its wearer invisible is usually dismissed as impossible. However this does not dissuade some researchers from exploring the idea of it, International Business Times is reporting. An undergraduate student has published a study that could open up the possibility for a potential invisibility cloak wearer to move around amongst ever-changing backgrounds of a variety of colors. Under the...

2011-07-01 12:49:36

In this month's special issue of Physics World, which examines the science and applications of invisibility, Martin McCall and Paul Kinsler of Imperial College London describe a new type of invisibility cloak that does not just hide objects "“ but events. Using the ultimate bank heist as an example, McCall and Kinsler explain how a thief could, in principle, use an "event cloak" to steal money from a safe, without even the CCTV surveillance cameras being aware. The burglar would somehow...

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2011-05-19 09:39:31

CFN Scientists at KIT Achieve Optical Invisibility in the Visible Light Spectrum "Seeing something invisible with your own eyes is an exciting experience," say Joachim Fischer and Tolga Ergin. For about one year, both physicists and members of the team of Professor Martin Wegener at KIT's Center for Functional Nanostructures (CFN) have worked on refining the structure of the Karlsruhe invisibility cloak to such an extent that it is also effective in the visible spectral range. In invisibility...

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2011-04-20 09:13:50

Optical cloaking approach described in Optics Express shows potential for myriad futuristic applications Invisibility cloaks are seemingly futuristic devices capable of concealing very small objects by bending and channeling light around them. Until now, however, cloaking techniques have come with a significant limitation"”they need to be orders of magnitude larger than the object being cloaked. This places serious constraints on practical applications, particularly for the...

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2011-01-06 11:17:25

Liz Ahlberg, Physical Sciences Editor, University of Illinois In one University of Illinois lab, invisibility is a matter of now you hear it, now you don't. Led by mechanical science and engineering professor Nicholas Fang, Illinois researchers have demonstrated an acoustic cloak, a technology that renders underwater objects invisible to sonar and other ultrasound waves. "We are not talking about science fiction. We are talking about controlling sound waves by bending and twisting them in a...

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2010-03-19 06:30:00

Researchers have successfully rendered a minute bump on a gold surface invisible, using special masking technology that could someday bring true invisibility cloaks from the realms of science fiction and fantasy into reality. Scientists from Karlsruhe Institute of Technology in Germany and Imperial College London "used photonic crystals with a structure that looks like piles of wood to make an invisibility device, or cloak," Reuters reporter Kate Kelland wrote in a March 18 article. "The...

2009-07-31 12:14:47

Schools and hospitals could one day be protected from feeling the effects of an earthquake. CNRS researchers at the Institute Fresnel in Marseille (1) have come up with a system that could protect buildings from the most destructive seismic waves. Based on mathematical models, such an 'invisibility cloak' could find applications ranging from the automobile and aviation industries to earthquake protection. The paper appears in the journal Physical Review Letters dated 10 July 2009.The...

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2009-04-30 11:00:54

Two teams of scientists have developed a cloak that renders objects invisible to near-infrared light, BBC News reported. The new technology, however, does not contain metals unlike previous such "cloaks" that resulted in imperfect cloaking because of losses of light. Researchers say that since the approach can be scaled down further in size, the new technology is a major step towards a cloak that would work for visible light. John Pendry from Imperial College London first theorized a cloak...


Word of the Day
bibliopole
  • A bookseller; now, especially, a dealer in rare and curious books.
This word comes from a Greek phrase meaning 'book seller.'
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