New ‘time cloak’ can hide almost half of the data in its path, but even recipients can’t see it


When temporal cloaking devices — or “time cloaks,” a type of fiber optic connection that can hide the transfer of data — were first introduced in a 2010 paper, they were only able to hide data for extraordinarily brief moments and only on rare occasions. But research published today in Nature is making a big leap forward. Researchers at Purdue University have now determined a method that hides data 46 percent of the time, and it even works at the full speed of common fiber optic networks. The cloaking technology is still in very early stages, but it could eventually be used to secure sensitive information and to advance common communication tools.

The two waves hide one another

The cloaking device works by making inverse waves of…

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