Something similar had been announced theoretically some time ago, by Martin McCall, professor of theoretical physics at Imperial College London.
But now there is an official announcement in the prestigious scientific journal "Nature" that the experimental proof that this could happen was achieved for the first time, even if the event that the scientists disappeared, lasted much less than the blink of an eye.
It was the beginning of a promising technology, which may work wonders in the future reminiscent of science fiction.
Researchers led by Professor Moti Friedman and Alexander Gaeta of Cornell University's School of Applied Physics, according to the British Daily Mail, managed to "hide" events that lasted 40 trillionths of a second .
Then these different parts of light were combined together and the end result was that observers did not see what happened during the "hidden" time, even for this infinitesimal time.
The relevant information of the event was simply not available for the viewer to "read" (ie see) and thus it was not possible for him to come to his senses. Everything that happened in these "hidden" fractions of a second was "non-existent" for him.
People see something happening around them because light reaches their eyes. If the light - for some reason - stops reaching their eyes, then the event has not existed for observers. It is as if a scene from the "film" of events was deleted.
For now, however, the police do not need to worry that a criminal will be able to hide his crime, as he will have to move much, much faster than a human being in order to "disappear" the illegal event within millions. of the second, which allows the device to hide an event.
But from a practical point of view, even at this early stage, this technology could be used to improve the security of fiber optic communications by potential "listeners", as the transmitted encoded information would be as if it had not been sent. never.
Scientists hope that the new technique could be combined with the other category of invisible cloaks in space, which "hide" objects, so that they can eventually "disappear" an event in both space and time.
Since the two categories of mantles work in different physical dimensions, space and time respectively, nothing seems to prevent their combination, so that at some point a complete space-time mantle of invisibility is created.
The next goal of the scientists is to gradually increase the time of concealment from the order of trillionths to that of millions or even milliseconds and, at the same time, to make their device work with light coming from different directions. and not just from one like now.
However, researchers believe that, at least with this technique, they will hardly be able to eliminate an event that lasts more than 0,00012 of a second. Mathematical calculations show that in order to "hide" an event lasting a whole second, the hiding device would have to be about 30.000 kilometers long!
Unlike the mantles of space, which usually "curve" light around objects, the mantle of time compresses light (which passes through a fiber optic cable) through a special lens, which forces the front of the beam. light to move faster and its back slower. This causes the light to separate, creating a small time gap in between.
Immediately after, a second lens inside the fiber optic cable causes the two parts of the light to reunite.
Thus, the beam of light coming out of the other end of the cable looks identical to that which entered the cable, but in the interval of its movement there was a "gap", during which something may have happened, but the relevant information light can not transmit it to the observer at the end of the cable.
The whole mantle device is called an "electro-optical modulator".
Source: RES-EAP