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"Cloak of time" will hide events - VIDEO PDF Print E-mail
Wednesday, 03 December 2014 09:00

We've all heard about the invisibility cloak, which in theory can hide objects from view. But a team of scientists from Purdue University has created a cloak of time that can hide events.

Although invisibility cloaks make objects disappear from sight, cloak makes time events fade in time. To do this, researchers have used a laser beam at two frequencies to send photons in one fiber. One of the laser was tuned in such a way as to effectively mask the other - this means that you can read the information of the second beam only if you know how to search. Here is a rough explanation:

     "Imagine a convoy of vehicles, which sometimes slows down to create a small passage for safe crossing of pedestrians. When the cars that pass pedestrians in front of him, accelerated and join the rest of the traffic, no one can say that there was a gap in the flow - the presence of pedestrians masked. Similarly, the path can be changed by photons to create brief intervals in which the information can be hidden. "



In fact, this is not the first time the events were disguised - but first they were masked so that people can learn about them if they wanted to. In the past they were hidden so well that they all disappeared forever. The new "cloak" performed well in a field of communication, allowing to deliver certain messages and offset by any attempts to extract information from the outside. The findings are published in Optica and interpreted by New Scientist.

If you think that such a "cloak" is perfect for covert communication, you are not alone.

     "With this new device, we think not only prevent unwanted obtain information, but simply provide a link - commented Joseph LyUKens, one of the scientists who created the" cloak ". - One person does not see anything else sees everything. "


НАЖМИТЕ ЗДЕСЬ ДЛЯ ПРОСМОТРА ВСЕГО СПИСКА НОВОСТЕЙ О НЕОБЫЧНЫХ ЯВЛЕНИЯХ>>>

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