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Latest Cloak of invisibility Stories

2012-05-25 10:43:09

Many people anticipating the creation of an invisibility cloak might be surprised to learn that a group of American researchers has created 25 000 individual cloaks. But before you rush to buy one from your local shop, the cloaks are just 30 micrometers in diameter and are laid out together on a 25 millimeter gold sheet. This array of invisibility cloaks is the first of its kind and has been created by researchers from Towson University and University of Maryland who present their study...

2012-03-27 00:34:55

New 'thermal' approach to invisibility cloaking hides heat to enhance technology In a new approach to invisibility cloaking, a team of French researchers has proposed isolating or cloaking objects from sources of heat–essentially "thermal cloaking." This method, which the researchers describe in the Optical Society's (OSA) open-access journal Optics Express, taps into some of the same principles as optical cloaking and may lead to novel ways to control heat in electronics and, on an...

2012-03-23 09:45:32

Scientists manufacture a cylinder which hides contents and makes them invisible to magnetic fields UAB researchers, in collaboration with an experimental group from the Academy of Sciences of Slovakia, have created a cylinder which hides contents and makes them invisible to magnetic fields. The device was built using superconductor and ferromagnetic materials available on the market. The cylinder is built using high temperature superconductor material, easily refrigerated with liquid...

'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...

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2012-01-26 13:40:54

University of Texas at Austin researchers have cloaked a three-dimensional object standing in free space for the first time. The researchers used a method known as plasmonic cloaking to hide a 7-inch cylindrical tube from microwaves.  During the study, they were able to show how ordinary objects can be cloaked in their natural environment in all directions and from all vantage points. When using the plasmonic cloaking method, light strikes an object, and rebounds off its surface...

Michigan Tech Researcher Nears Creation Of Superlens
2012-01-09 04:37:13

A superlens would let you see a virus in a drop of blood and open the door to better and cheaper electronics. It might, says Durdu Guney, make ultra-high-resolution microscopes as commonplace as cameras in our cell phones. No one has yet made a superlens, also known as a perfect lens, though people are trying. Optical lenses are limited by the nature of light, the so-called diffraction limit, so even the best won´t usually let us see objects smaller than 200 nanometers across, about...

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...

Researchers Transfer Concept Of Optical Invisibility Cloak To Sound Waves
2011-12-20 09:08:49

Progress of metamaterials in nanotechnologies has made the invisibility cloak, a subject of mythology and science fiction, become reality: Light waves can be guided around an object to be hidden, in such a way that this object appears to be non-existent. This concept applied to electromagnetic light waves may also be transferred to other types of waves, such as sound waves. Researchers from Karlsruhe Institute of Technology (KIT) have now succeeded in demonstrating for the first time an...

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2011-09-24 07:48:41

A team of Spanish researchers claim to have designed what is being called an antimagnetic cloak -- a cloak that shields objects from external magnetic fields, while keeping internal magnetic fields from escaping. According to a September 22 press release, physicists and engineers from the Universitat Autònoma de Barcelona (UAB) designed the cloak, which they said can be created "using practical and available materials and technologies." Richard Chirgwin of The Register...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'