Jan. 7, 2012— -- Forget wrapping an object – say, Harry Potter – in a cloak of invisibility. How about hiding an event using time? What may be a distant dream for this year's Indianapolis Colts ...

Invisibility cloaking illustrating how cloaking works using electromagnetic cloaking. On the left, electromagnetic waves, which could be light, scatter upon hitting the cylinder in the middle. On the ...

A “time cloak” that conceals events rather than objects can hide secret messages through a trick of light, making information invisible to all but the intended recipient. Like an invisibility cloak ...

Researchers at Purdue University may have created the first practical way to communicate with absolute secrecy by concealing messages in time using tricks of laser light and fiber optics. The ...

Researchers at Northwestern University have designed an invisibility cloak that can temporally hide objects for an indefinite period of time. Objects covered by this invisibility cloak wouldn't ...

Physicists Moti Fridman and colleagues at Cornell University (Ithaca, NY) have successfully demonstrated a time-cloaking device that can “hide” time for 15 trillionths of a second. In a paper ...

The study, by researchers from Imperial College London, involves a new class of materials called metamaterials, which can be artificially engineered to distort light or sound waves. With conventional ...