News tagged with cloaking devices
New 'metamaterial' practical for optical advances
(Phys.org) -- Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ...
May 15, 2012 |
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Pentagon-backed 'time cloak' stops the clock (Update)
Pentagon-supported physicists on Wednesday said they had devised a "time cloak" that briefly makes an event undetectable.
Jan 04, 2012 |
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Invisibility cloak that generates virtual images gets closer to realization
(PhysOrg.com) -- In a twist on the concept of an invisibility cloak, researchers have designed a material that not only makes an object invisible, but also generates one or more virtual images in its place. ...
Apr 02, 2010 |
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Broadband invisibility in the microwave range
(PhysOrg.com) -- In the series Star Trek, Klingons and Romulans have spaceships outfitted with cloaking devices that hide their presence from sight, as well as from the sensors of their rivals' spaceships. Unlike current invisi ...
Sep 11, 2009 |
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Transform a ball into a rock -- or make it invisible -- using transformation optics
(PhysOrg.com) -- Science fiction and fantasy tales are full of the ability to "cloak" characters with invisibility. Whether it is a spaceship with a cloaking device, or a young wizard with an invisibility ...
Jul 09, 2009 |
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New invisibility cloak allows object to 'see' out through the cloak
(PhysOrg.com) -- "Many groups have been working devices that make objects invisible," Che Ting Chan tells PhysOrg.com. “Most of these devices, however, encompass the object to be cloaked.” Chan, a scientist at The Hong K ...
Mar 13, 2009 |
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Chemically assembled metamaterials may lead to superlenses
(PhysOrg.com) -- Nanomanufacturing technology has enabled scientists to create metamaterials -- stuff that never existed in nature -- with unusual optical properties. They could lead to "superlenses" able ...
Nov 02, 2011 |
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Physicists demonstrate a time cloaking device
Physicists Moti Fridman and colleagues at Cornell University have successfully demonstrated a so-called time cloaking device that is able to “hide” time for 15 trillionths of a second. In a paper published on arXiv, the re ...
Jul 18, 2011 |
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'Space-time cloak' to conceal events revealed in new study
(PhysOrg.com) -- The study, by researchers from Imperial College London, involves a new class of materials called metamaterials, which can be artificially engineered to distort light or sound waves. With conventional ...
Nov 16, 2010 |
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'Mirage-effect' helps researchers hide objects (w/ video)
Scientists have created a working cloaking device that not only takes advantage of one of nature's most bizarre phenomenon, but also boasts unique features; it has an 'on and off' switch and is best used underwater.
Oct 04, 2011 |
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A New Cloaking Method: This is not a 'Star Trek' or 'Harry Potter' Story (w/ Video)
(PhysOrg.com) -- University of Utah mathematicians developed a new cloaking method, and it's unlikely to lead to invisibility cloaks like those used by Harry Potter or Romulan spaceships in "Star Trek." Instead, ...
Aug 17, 2009 |
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'Invisibility' cloak could protect buildings from earthquakes
University of Manchester mathematicians have developed the theory for a Harry Potter style 'cloaking' device which could protect buildings from earthquakes.
Feb 14, 2012 |
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New findings promising for 'transformation optics,' cloaking
Researchers have overcome a fundamental obstacle in using new "metamaterials" for radical advances in optical technologies, including ultra-powerful microscopes and computers and a possible invisibility cloak.
Aug 04, 2010 |
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Light speed hurdle to invisibility cloak overcome by undergraduate
(PhysOrg.com) -- An undergraduate student has overcome a major hurdle in the development of invisibility cloaks by adding an optical device into their design that not only remains invisible itself, but also has the ability ...
Aug 09, 2011 |
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Researchers create “antimagnet” cloaking device
In what seems like one new cloaking device being discovered after another, researchers in Spain have modeled a device that they say can prevent magnetism from leaking out of a containment container and also prevent it from ...
Aug 05, 2011 |
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