For nearly 20 years, physicists and engineers have chased the idea of invisibility. Early efforts focused on hiding objects from light using so-called metamaterials with extreme and often unrealistic ...

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 ...

Science fiction has long teased us with the “cloaking device” that makes humans or things invisible. But at the University of Leicester, researchers have brought that concept into the realm of ...

Much has been made in recent years of breakthroughs in creating “invisibility cloaks” along the lines of those dreamed up by Harry Potter author J.K. Rowling. Now comes word out of China that ...

Hospitals, power grids, aerospace systems, and scientific laboratories all host extremely sensitive technologies that allow the facilities to do what they need to do—as long as no pesky, unwanted ...

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