invisibility Archives | The American Ceramic Society

invisibility

Now you see it, now you don’t—disappearing aquatic animal may hold key to future optical technologies

By Stephanie Liverani / July 28, 2015

Researchers at the Weizmann Institute and the Interuniversity Institute for Marine Sciences in Israel are taking a closer look at sea sapphires to figure out the science behind the “magic” of their seemingly instantaneous color changes and invisibility.

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Infrared LEDs and retro-reflective materials make for invisibility glasses that give facial recognition the slip

By Jessica McMathis / March 12, 2015

For those who want to give cameras and facial recognition technology the slip, anti-virus software company AVG has developed a pair of invisibility glasses designed to protect your visual identity online.

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Geek out with your own invisibility cloak built from just four optical lenses

By April Gocha / October 7, 2014

Scientists at the University of Rochester have devised a simple cloaking device that, although not quite as perfect as Harry Potter’s invisibility cloak, does make significant improvements over existing real-world cloaks.

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Other materials stories that may be of interest

By / October 11, 2011

Check ’em out: US firm uses solar power to recover oil reserves A new technology to increase oil production is being tested on one of US’s oldest oil fields in one of the largest demonstration projects of its kind. The new project was launched by Chevron Technology Ventures at the Coalinga Field in California. More…

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Two New Approaches to Cloaking

By / April 9, 2009

Several research teams are actively pursuing cloaking/invisibility concepts. One of the prominent groups is at Duke University and the other is at University of California, Berkeley.

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Video of the week – Two approaches to cloaking

By / January 21, 2009

[flash /ceramictechtoday/wp-content/video/cloaking_concepts.flv mode=1 f={image=/ceramictechtoday/wp-content/video/cloaking_concepts.jpg}]   Several research teams are actively pursuing cloaking/invisibility concepts. One of the prominent groups is at Duke University and the other is at University of California, Berkeley. The Berkeley team uses a crafted nano-prism of metamaterial atoms that has a negative refractive index for light of near-infrared wavelengths. The Duke team…

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Who cloaked my cheese?

By / January 18, 2009

Back when “Ceramic Tech Weekly” was still just a newsletter (waaay back in mid-2008), I wrote several stories (see here and here) about the emerging technologies related to what is often referred to as “invisibility,” a.k.a., “cloaking” (hello Trekkies). Of course, there is a certain tendency to treat this as something of a novelty. But…

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