New Invisibility Cloak. Not Only Invisible, But Also Inaudible. As If Nothing Was There
It is as if Harry Potter had a cloak that also makes him unhearable. “Maybe a place of peace and quiet in the Christmas season,” say the KIT researchers, who succeeded in transferring the concepts underlying the optical invisibility cloak to acoustic waves in a plate.
“The key to controlling waves is to specifically influence their local speed as a function of the ‘running direction’ of the wave,” says Dr. Nicolas Stenger from the Institute of Applied Physics (AP). In his experiment, he used a smartly microstructured material composed of two polymers: A soft and a hard plastic in a thin plate. The vibrations of this plate are in the range of acoustic frequencies, that is some 100 Hz, and can be observed directly from above.
The scientists explain their idea by the following story: A city, in the shape of a circle, suffers from noisy car traffic through its center. Finally, the mayor has the idea to introduce a speed limit for cars that drive directly towards the city: The closer the cars come to the city area, the slower they have to drive. At the same time, the mayor orders to build circular roads around the city, on which the cars are allowed to drive at higher speeds. The cars can approach the city, drive around it, and leave it in the same direction in the end. The time required corresponds to the time needed without the city. From outside, it appears as if the city was not there.
Contacts and sources:
Margarete Lehné
Read more at Nano Patents and Innovations
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Sorry I can’t see this story
Yes, this is Fact, Fact, Fact. I’ve seen this invisibility cloak in action up close. 2 individuals, nameless for now, used this tech to cloak themselves in complete darkness. The tech allows the entire body to become pure black, reflecting no light whatsoever. It works great at night since the black, dark silhouette of the body can blend in with the surrounding environment. This was over 7 years ago. Yet it’s barely coming out to the news?
In the dark, everything can become invisible.. anything else?
light wave refraction using counter electromagnetic waves..makes sense
the theory goes that military tech is 60 to 80 years ahead of civilian tech no telling what they have they wouldnt have used stealth helichopters and uav craft if they didnt hae something much better that way it dosent hurt them if the current tech is captured.No doubt in my mind its in use now by TPTB.
Where ??
Merry Christmas and Happy New Year everyone!!! There’s a new book on Amazon.com titled: ZTINGAR. Apart from being one of the most informative books I’ve ever read in matters to do with life, why we’re here, where we came from and to where we’re probably heading, UFOs, NDEs, 2012 etc. It also contains an extraordinary, inarguable and logical explanation to what people call God, which is nothing like the church teaches and very different to what one would expect. I strongly recommend it…