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Through a series of innovative experiments, he and his team found that a sheet of glass crystal just a few atoms thick could trap and carry light. Not only that, but it was surprisingly efficient and could travel relatively long distances—up to a centimeter, which is very far in the world of light-based computing.
..,
"We were utterly surprised by how powerful this super-thin crystal is; not only can it hold energy, but deliver it a thousand times further than anyone has seen in similar systems," said lead study author Jiwoong Park, a professor and chair of chemistry and faculty member of the James Franck Institute and Pritzker School of Molecular Engineering. "The trapped light also behaved like it is traveling in a 2D space."
Our work is building on a series of experiments that show how we can create metamaterials with unique properties that emerge from abrupt time variations of their electromagnetic properties. These variations allow us to manipulate wave propagation in ways not seen in nature," said Alù.
"This newest work shows that we can use abrupt temporal changes in tailored metamaterials—known as time interfaces—to make waves collide as if they were massive objects. We were also able to control whether the waves exchanged, gained or lost energy during these collisions."
Typically, when two electromagnetic waves cross paths, they move right through each other without interacting. This is very different from what happens when two massive objects, like two balls, bump into each other. In the latter case, the particles collide, and their mechanical features determine whether the energy is conserved, lost or increased in the collision. For example, when two billiard balls collide, the total energy in the system is conserved, while when two rubber balls collide, they typically lose energy in the collision.
The research team's work was inspired by speculation about whether it would be possible to erase an unwanted mechanical wave, such as a tsunami or a seismic wave, by throwing another similar wave against it to counter it. "While such an outcome is impossible in conventional wave physics, we knew it was possible in principle with a temporal metamaterial," said Emanuele Galiffi, a postdoctoral fellow with Alù's lab….
originally posted by: OrangeOrbs
a reply to: NewNobodySpecial268
you would think a pulsar map displayed in a 3d display would be a better road way than random trips in unknown areas.
I have my NV and other cameras pointed at the sky, i bet you this would be a good time to see something on its way out to Ukraine? Russia? China?
I guess i cant blame the RKer's for getting off world when the opportunity knocked, i would.
this week has seen record setting flooding and fires.
I would have to say it wanted me and my friend to get a GOOOOD look at this thing before it zipped off silently faster than a shot.
Recently i have seen some very disturbing events in my bedroom or wherever i sleep.
i will wake up simi paralyzed and off to the side of me the air will open up in a shimmer for lack of a batter word, like someone opening a window.
in this 'window' i see creatures that i have never seen in the litature as far as i can tell.
originally posted by: NewNobodySpecial268
a reply to: OrangeOrbs
Thanks for sharing the encounter OrangeOrbs.
I would have to say it wanted me and my friend to get a GOOOOD look at this thing before it zipped off silently faster than a shot.
I think that is the most intetesting part of the subject; They want us to witness them.
That implies a threshold, when enough of us have seen them for our selves.
The '100th monkey principal' comes to mind.
what was then known as Vandenberg Air Force Base in Santa Barbara County, Graves said.
At about 8:45 a.m., “they observed a very large, 100-yard-sided red square approach the base from the ocean and hover at low altitude over one of the launch facilities,” Graves said.
“This object remained for about 45 seconds or so before darting off over the mountains.” The UFO returned that evening after the sunset, but this time with more “aggressive behaviors,” Graves said.
“These objects were approaching some of the security guards at rapid speeds before darting off,” he said.
what was then known as Vandenberg Air Force Base in Santa Barbara County, Graves said.
At about 8:45 a.m., “they observed a very large, 100-yard-sided red square approach the base from the ocean and hover at low altitude over one of the launch facilities,” Graves said.
“This object remained for about 45 seconds or so before darting off over the mountains.” The UFO returned that evening after the sunset, but this time with more “aggressive behaviors,” Graves said.
“These objects were approaching some of the security guards at rapid speeds before darting off,” he said.