Invisibility cloaks have been around in various forms since 2006, when the first cloak based on optical metamaterials was demonstrated. The design of cloaking devices has come a long way in the past ...

When it comes to invisibility cloaks, one of the trickiest problems is how to make the things. The materials of choice are known as metamaterials which are created by assembling a repeating pattern of ...

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 ...